Cita APA (7th ed.)

Wakeman, R. M., & Willis, F. R. (1982). Instructor's guide to accompany world civilization. D.C. Heath and Company.

Cita Chicago (17th ed.)

Wakeman, Rosemary M., i F. Roy Willis. Instructor's Guide to Accompany World Civilization. Lexington Massachusetts: D.C. Heath and Company, 1982.

Cita MLA (9th ed.)

Wakeman, Rosemary M., i F. Roy Willis. Instructor's Guide to Accompany World Civilization. D.C. Heath and Company, 1982.