Diederich, P. B., Carlton, S. T., Papale, J. S., & Papale, N. J. (1973). Vocabulary for college (2a. ed.). Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Diederich, Paul B., Sydell Terris Carlton, June Springford Papale, i Napoleon J. Papale. Vocabulary for College. 2a. ed. Nueva York: Harcourt Brace Jovanovich, 1973.
Cita MLA (9th ed.)Diederich, Paul B., et al. Vocabulary for College. 2a. ed. Harcourt Brace Jovanovich, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.