Cita APA (7th ed.)
Tyler, R. W., & Wolf, R. M. (1974). Crucial issues in testing. McCutchan.
Cita Chicago (17th ed.)
Tyler, Ralph W., i Richard M. Wolf. Crucial Issues in Testing. Berkeley: McCutchan, 1974.
Cita MLA (9th ed.)
Tyler, Ralph W., i Richard M. Wolf. Crucial Issues in Testing. McCutchan, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.