Gaya APA

Lammers, E, W, H, B, L, F. (1993). Steam Plant Operations (5). New York: McGraw-Hill, Inc..

Gaya MLA

Lammers, Everett,B., Woodruff,, Herbert, B., Lammers,Thomas, F.. "Steam Plant Operations". 5 New York: McGraw-Hill, Inc., 1993. Text.