Dyfyniad APA

Adams, W. M. (1964). Earthquakes: An introduction to observational seimology. Heath.

Dyfyniad Arddull Chicago

Adams, William Mansfield. Earthquakes: An Introduction to Observational Seimology. Boston: Heath, 1964.

Dyfyniad MLA

Adams, William Mansfield. Earthquakes: An Introduction to Observational Seimology. Heath, 1964.

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