Παραπομπή APA

Houghtalen, R. J., Akan, A. O., & Hwang, N. H. C. (2010). Fundamentals of Hydraulic Engineering Systems. Pearson.

Παραπομπή Chicago Style

Houghtalen, Robert J., A. Osman Akan, και Ned H. C. Hwang. Fundamentals of Hydraulic Engineering Systems. Pearson, 2010.

Παραπομπή MLA

Houghtalen, Robert J., et al. Fundamentals of Hydraulic Engineering Systems. Pearson, 2010.