Dyfyniad APA

Simpson, B. B., & Ogorzaly, M. C. (2001). Economic botany: Plants in our world. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Simpson, Beryl B., và Molly Conner Ogorzaly. Economic Botany: Plants in Our World. Boston: McGraw-Hill, 2001.

Dyfyniad MLA

Simpson, Beryl B., và Molly Conner Ogorzaly. Economic Botany: Plants in Our World. Boston: McGraw-Hill, 2001.

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