Dyfyniad APA

Lising, G. (1999). How green is your mind. Anvil Pub.

Dyfyniad Arddull Chicago

Lising, Gary. How Green Is Your Mind. Pasig City: Anvil Pub, 1999.

Dyfyniad MLA

Lising, Gary. How Green Is Your Mind. Anvil Pub, 1999.

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