Perschbacher,Ruth. (1993). Assesment: The Cornerstone of activity programs. State College: Venture Publishing.
Chicago-стиль цитированияPerschbacher,Ruth. Assesment: The Cornerstone of Activity Programs. State College: Venture Publishing, 1993.
MLA-цитированиеPerschbacher,Ruth. Assesment: The Cornerstone of Activity Programs. State College: Venture Publishing, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.