Gaya APA

Rogers, P, M. (1988). Aspects of Western civilization: problems and sources in history. I. The ancient world through the age of Reformation. . Englewood Cliffs: Prentice-Hall.

Gaya MLA

Rogers, Perry, M.. "Aspects of Western civilization: problems and sources in history. I. The ancient world through the age of Reformation. ". Englewood Cliffs: Prentice-Hall, 1988. Buku.