Pack, A. C. (1977). Prepositions: Dyad learning program. Newbury House.
Chicago Style (17th ed.) CitationPack, Alice C. Prepositions: Dyad Learning Program. Rowley, Mass: Newbury House, 1977.
MLA (9th ed.) CitationPack, Alice C. Prepositions: Dyad Learning Program. Newbury House, 1977.
Warning: These citations may not always be 100% accurate.