Dyfyniad APA

Cushman, J. A. (1948). Foraminifera: Their classification and economic use (4a. ed.). Harvard University Press.

Dyfyniad Arddull Chicago

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4a. ed. Cambridge: Harvard University Press, 1948.

Dyfyniad MLA

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4a. ed. Harvard University Press, 1948.

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