Rabago, L. M. (1973). Principles of biology. Abiva Pub. House.
Cita Chicago (17th ed.)Rabago, Lilia Malabonga. Principles of Biology. Manila: Abiva Pub. House, 1973.
Cita MLA (9th ed.)Rabago, Lilia Malabonga. Principles of Biology. Abiva Pub. House, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.