Dyfyniad APA

BEUTELSPACHER, H., & Marel , H. W. V. D. (1968). Atlas of electron microscopy of: Clay minerals and their admixtures. Elsevier.

Dyfyniad Arddull Chicago

BEUTELSPACHER, H., and H. W. Van Der Marel. Atlas of Electron Microscopy of: Clay Minerals and Their Admixtures. Amsterdam: Elsevier, 1968.

Dyfyniad MLA

BEUTELSPACHER, H., and H. W. Van Der Marel. Atlas of Electron Microscopy of: Clay Minerals and Their Admixtures. Elsevier, 1968.

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