Cita APA (7th ed.)

Roberts, M. B. V., & King, T. J. (1983). Biology: A functional approach. Student's manual (2nd ed.). Nelson.

Cita Chicago (17th ed.)

Roberts, M. B. V., i T. J. King. Biology: A Functional Approach. Student's Manual. 2nd ed. Walton-on-Thames: Nelson, 1983.

Cita MLA (9th ed.)

Roberts, M. B. V., i T. J. King. Biology: A Functional Approach. Student's Manual. 2nd ed. Nelson, 1983.