Oxford Paperback Thesaurus
Oxford Dictionary of Quotations
The Oxford Dictionary of American Usage and Style
Publication Manual of the American Psychological Association by Some online guides for APA style:
Illustrated APA Guide--From Tomlinson Library, demonstrates where the pieces of a citation are drawn from with examples from different source types
Purdue Online Writing Lab Guide—Detailed overview of all aspects of writing and citing in APA style
UNLV APA Guide—Straightforward examples for citing different types of sources
MLA Handbook by Some online guides for MLA style:
Tomlinson Library illustrated guide to MLA style
Purdue Online Writing Lab Guide—Detailed overview of all aspects of writing and citing in MLA style
Concordia University MLA Guide—Straightforward examples of how to cite different types of sources
Online Writing Lab (OWL) at Excelsior College - Provides a helpful introduction to common elements of MLA style with examples for in-text and Works Cited citations, an MLA checklist, and demo. Scroll down and find the MLA options on the left-hand menu. The OWL at Excelsior College also has excellent guidance for the writing and research process.