Cita APA (7th ed.)
Osborne, W. L., & Winter, R. D. (1994). Global civilization foundations covering the time frame from creation to 400BC: Mentor Resources. William Carey Library.
Cita Chicago (17th ed.)
Osborne, William L., i Ralph D. Winter. Global Civilization Foundations Covering the Time Frame from Creation to 400BC: Mentor Resources. California: William Carey Library, 1994.
Cita MLA (9th ed.)
Osborne, William L., i Ralph D. Winter. Global Civilization Foundations Covering the Time Frame from Creation to 400BC: Mentor Resources. William Carey Library, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.