Dyfyniad APA

Gaz, S., Koeberl, C., & Silberman, R. B. (2009). Sites of impact: Meteorite craters around the world. Princeton Architectural Press.

Dyfyniad Arddull Chicago

Gaz, Stan, Christian Koeberl, and Robert B. Silberman. Sites of Impact: Meteorite Craters Around the World. New York: Princeton Architectural Press, 2009.

Dyfyniad MLA

Gaz, Stan, et al. Sites of Impact: Meteorite Craters Around the World. Princeton Architectural Press, 2009.

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