APA-viite (7. p.)

Sheehan, T. F. (2009). Rourke's World of Science ENCYCLOPEDIA: Volume 3- Plant & Fungi Life. Rourke Publishing.

Chicago-viite (17. p.)

Sheehan, Thomas F. Rourke's World of Science ENCYCLOPEDIA: Volume 3- Plant & Fungi Life. Rourke Publishing, 2009.

MLA-viite (8. p.)

Sheehan, Thomas F. Rourke's World of Science ENCYCLOPEDIA: Volume 3- Plant & Fungi Life. Rourke Publishing, 2009.

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