Cita APA (7th ed.)
Knamiller, G., & Smyth, J. (1987). The environmental science and technology education. Pergamon.
Cita Chicago (17th ed.)
Knamiller, G.W, i J.C Smyth. The Environmental Science and Technology Education. Oxford: Pergamon, 1987.
Cita MLA (9th ed.)
Knamiller, G.W, i J.C Smyth. The Environmental Science and Technology Education. Pergamon, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.