Gaya APA

Thornburn, R, B, , W, E, H, , T, H. (1974). Foundation Engineering (2). New York: John Wiley & Sons.

Gaya MLA

Thornburn, Ralph, B.Peck, , Walter, E., Hanson, , Thomas, H.. "Foundation Engineering". 2 New York: John Wiley & Sons, 1974. Text.