Gaya APA

Freeman, M, S., Sheehan, T, F. (2009). Rourke's World of Science Encyclopedia Volume 10: Research Projects/ Cumulative Index & Glossary . : Rourke Publishing LLC.

Gaya MLA

Freeman, Marcia, S.., Sheehan, Tom, F.. "Rourke's World of Science Encyclopedia Volume 10: Research Projects/ Cumulative Index & Glossary". : Rourke Publishing LLC, 2009. Text.