Groff, P. (1977). Phonics: Why and how. General Learning Press.
Chicago Style (17th ed.) CitationGroff, Patrick. Phonics: Why and How. Morristown, N.J: General Learning Press, 1977.
MLA (9th ed.) CitationGroff, Patrick. Phonics: Why and How. General Learning Press, 1977.
Warning: These citations may not always be 100% accurate.