APA (7th ed.) Zitazioa
Russon, A. R. (1973). Personality development for business (4th ed.). South-Western publ..
Chicago Style (17th ed.) Zitazioa
Russon, Allien R. Personality Development for Business. 4th ed. Pelham Manor, N. Y.: South-Western publ., 1973.
MLA (9th ed.) Zitazioa
Russon, Allien R. Personality Development for Business. 4th ed. South-Western publ., 1973.
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