Lua APA (7ú heag.)
Gangel, K. O. (1989). Feeding & leading. Victor Books.
Lua i Stíl Chicago (17ú heag.)
Gangel, Kenneth O. Feeding & Leading. Wheaton, IL: Victor Books, 1989.
Lua MLA (9ú heag.)
Gangel, Kenneth O. Feeding & Leading. Victor Books, 1989.
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