Dyfyniad APA

Black, M., & Edelman, J. (1970). Plant growth. Heinemann Educational.

Dyfyniad Arddull Chicago

Black, Michael, and Jack Edelman. Plant Growth. London: Heinemann Educational, 1970.

Dyfyniad MLA

Black, Michael, and Jack Edelman. Plant Growth. Heinemann Educational, 1970.

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