Cita APA (7th ed.)

Jones, A., Duck, R., & Reed, R. (2000). Practical skills in enviromental science. Pearson Education.

Cita Chicago (17th ed.)

Jones, Allan, Robert Duck, i Robert Reed. Practical Skills in Enviromental Science. England: Pearson Education, 2000.

Cita MLA (9th ed.)

Jones, Allan, et al. Practical Skills in Enviromental Science. Pearson Education, 2000.