APA (7 वां संस्करण) प्रशस्ति पत्र

Vries, P. G. d. (1986). Sampling theory for forest inventory: A teach-yourself course. Springer-Verlag.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Vries, Pieter G. de. Sampling Theory for Forest Inventory: A Teach-yourself Course. Berlin ; New York: Springer-Verlag, 1986.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Vries, Pieter G. de. Sampling Theory for Forest Inventory: A Teach-yourself Course. Springer-Verlag, 1986.