Dyfyniad APA

OLLIVER, J., & CLENDINNING, J. (1978). Principles of surveying Vol.1: Plane surveying. Van Nostrand Reinhold Co.

Dyfyniad Arddull Chicago

OLLIVER, J.G, and J. CLENDINNING. Principles of Surveying Vol.1: Plane Surveying. New York: Van Nostrand Reinhold Co, 1978.

Dyfyniad MLA

OLLIVER, J.G, and J. CLENDINNING. Principles of Surveying Vol.1: Plane Surveying. Van Nostrand Reinhold Co, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.