Werts, J. E. (1954). Statistical methods in educational and psycohological research. Appleton-Century-Crofts.
Цитирование в стиле Чикаго (17-е изд.)Werts, James E. Statistical Methods in Educational and Psycohological Research. New York: Appleton-Century-Crofts, 1954.
Цитирование MLA (9-е изд.)Werts, James E. Statistical Methods in Educational and Psycohological Research. Appleton-Century-Crofts, 1954.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.