Dyfyniad APA

A N Barker & J Wolf. (1977). Spore Research. Academic Press.

Dyfyniad Arddull Chicago

A N Barker and J Wolf. Spore Research. Academic Press, 1977.

Dyfyniad MLA

A N Barker and J Wolf. Spore Research. Academic Press, 1977.

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