Parker, R. G., & Fox, C. (1841). Progressive exercises in English grammar: Containing the principles of analysis, or English parsing (8th ed.). Crocker & Brewster.
Chicago-referens (17:e uppl.)Parker, Richard Green, och Charles Fox. Progressive Exercises in English Grammar: Containing the Principles of Analysis, or English Parsing. 8th ed. Boston: Crocker & Brewster, 1841.
MLA-referens (8:e uppl.)Parker, Richard Green, och Charles Fox. Progressive Exercises in English Grammar: Containing the Principles of Analysis, or English Parsing. 8th ed. Crocker & Brewster, 1841.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.