Index Theologicus

Παραπομπή σε μορφή APA (7η εκδ.)

Walter, J. E. (1901). The principles of knowledge. The principles of knowledge with remarks on the nature of reality.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Walter, Johnston Estep. "The Principles of Knowledge." The Principles of Knowledge with Remarks on the Nature of Reality 1901.

Παραπομπή σε μορφή MLA (8th εκδ.)

Walter, Johnston Estep. "The Principles of Knowledge." The Principles of Knowledge with Remarks on the Nature of Reality, 1901.