Dyfyniad APA

Swerdlow, J. L. (2000). Nature's medicine: Plants that heal. National Geographic Society.

Dyfyniad Arddull Chicago

Swerdlow, Joel L. Nature's Medicine: Plants That Heal. Washington, D.C: National Geographic Society, 2000.

Dyfyniad MLA

Swerdlow, Joel L. Nature's Medicine: Plants That Heal. National Geographic Society, 2000.

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