Research and Education Association. (1978). The biology problem solver: A complete solution guide to any textbook in its subject. Research and Education Association.
Citazione stile Chigago Style (17a edizione)Research and Education Association. The Biology Problem Solver: A Complete Solution Guide to Any Textbook in Its Subject. New York: Research and Education Association, 1978.
Citatione MLA (9a ed.)Research and Education Association. The Biology Problem Solver: A Complete Solution Guide to Any Textbook in Its Subject. Research and Education Association, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.