Fried, G. H. Schum's outline of the theory and problems of biology.
Cita Chicago (17th ed.)Fried, George H. Schum's Outline of the Theory and Problems of Biology.
Cita MLA (9th ed.)Fried, George H. Schum's Outline of the Theory and Problems of Biology.
Atenció: Aquestes cites poden no estar 100% correctes.