Dyfyniad APA

Read, H. H. (1984). Rutley's elements of mineralogy: 26th ed (26th ed.). CBS Publishers and distributors.

Dyfyniad Arddull Chicago

Read, H. H. Rutley's Elements of Mineralogy: 26th Ed. 26th ed. New Delhi: CBS Publishers and distributors, 1984.

Dyfyniad MLA

Read, H. H. Rutley's Elements of Mineralogy: 26th Ed. 26th ed. CBS Publishers and distributors, 1984.

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