Παραπομπή σε μορφή APA (7η εκδ.)

Pregill, P., & Volkman, N. (1999). Landscapes in history: Design and planning in the Eastern and Western traditions (2nd ed.). Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pregill, Philip, και Nancy Volkman. Landscapes in History: Design and Planning in the Eastern and Western Traditions. 2nd ed. New York: Wiley, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pregill, Philip, και Nancy Volkman. Landscapes in History: Design and Planning in the Eastern and Western Traditions. 2nd ed. Wiley, 1999.