Gaya APA

NASH, G, H. (1983). THE LIFE OF HERBERT HOOVER; THE ENGINEER 1874-1914 . New York: W. W. Norton.

Gaya MLA

NASH, George, H.. "THE LIFE OF HERBERT HOOVER; THE ENGINEER 1874-1914". New York: W. W. Norton, 1983. Textbook.