Parker, R. G., & Fox, C. (1841). Progressive exercises in English grammar: Containing the principles of analysis, or English parsing (8th ed.). Crocker & Brewster.
Παραπομπή σε μορφή Chicago (17η εκδ.)Parker, Richard Green, και Charles Fox. Progressive Exercises in English Grammar: Containing the Principles of Analysis, or English Parsing. 8th ed. Boston: Crocker & Brewster, 1841.
Παραπομπή σε μορφή MLA (8th εκδ.)Parker, Richard Green, και Charles Fox. Progressive Exercises in English Grammar: Containing the Principles of Analysis, or English Parsing. 8th ed. Crocker & Brewster, 1841.
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