Gaya APA

J., K, G., J, I. (1998). The Complete Encyclopedia of Mushrooms ; More than 700 pictures and descriptions of mushrooms . Lisse: Rebo Publishers.

Gaya MLA

J., KEIZERM, GERRIT., J, I.. "The Complete Encyclopedia of Mushrooms ; More than 700 pictures and descriptions of mushrooms". Lisse: Rebo Publishers, 1998. Text.