APA-viite (7. p.)

Krajewski, L. J., & Ritzman, L. P. (2009). General environmental management. Pearson.

Chicago-viite (17. p.)

Krajewski, Lee J., ja Larry P. Ritzman. General Environmental Management. New Delhi: Pearson, 2009.

MLA-viite (9. p.)

Krajewski, Lee J., ja Larry P. Ritzman. General Environmental Management. Pearson, 2009.