Παραπομπή σε μορφή APA (7η εκδ.)

Eichhoefer, G. W. (1995). Enduring issues in philosophy: Opposing viewpoints. Greenhaven Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Eichhoefer, Gerald W. Enduring Issues in Philosophy: Opposing Viewpoints. San Diego, CA: Greenhaven Press, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Eichhoefer, Gerald W. Enduring Issues in Philosophy: Opposing Viewpoints. Greenhaven Press, 1995.