Walter J.wadsworth. (2001). Key to personal effectiveness: Goal-settings and achievements. Pentagon press.
Chicago-стиль цитированияWalter J.wadsworth. Key to Personal Effectiveness: Goal-settings and Achievements. New delhi: Pentagon press, 2001.
MLA-цитированиеWalter J.wadsworth. Key to Personal Effectiveness: Goal-settings and Achievements. Pentagon press, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.