Threlkeld, S. (2006). Laboratory manual for principles of biology II: Biology 104 (3rd edition.). McGraw-Hill Custom Pub.
Cita Chicago Style (17a ed.)Threlkeld, Steven. Laboratory Manual for Principles of Biology II: Biology 104. 3rd edition. Boston: McGraw-Hill Custom Pub, 2006.
Cita MLA (9a ed.)Threlkeld, Steven. Laboratory Manual for Principles of Biology II: Biology 104. 3rd edition. McGraw-Hill Custom Pub, 2006.
Precaución: Estas citas no son 100% exactas.