Dyfyniad APA

Underwood, D. N. (1970). Chemistry for colleges and schools (3rd ed.).

Dyfyniad Arddull Chicago

Underwood, D. N. Chemistry for Colleges and Schools. 3rd ed. 1970.

Dyfyniad MLA

Underwood, D. N. Chemistry for Colleges and Schools. 3rd ed. 1970.

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