Gaya APA

Norton, F, L. et al (1993). Electric power purchasing : handbook / contributors, William M. Dudley ... [et al.] (Ed.ke-2). New York: Reid n Priest.

Gaya MLA

Norton, Floyd, L.. et al. "Electric power purchasing : handbook / contributors, William M. Dudley ... [et al.]". Ed.ke-2 New York: Reid n Priest, 1993. Textbook.