Thurber, W. A., Kilburn, R. E., & Howell, P. S. (1975). Exploring life science. Allyn and Bacon.
Cita Chicago (17th ed.)Thurber, Walter A., Robert E. Kilburn, i Peter S. Howell. Exploring Life Science. Boston: Allyn and Bacon, 1975.
Cita MLA (9th ed.)Thurber, Walter A., et al. Exploring Life Science. Allyn and Bacon, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.