JOHNSTON, B. G., & JOHNSTON, B. G. (1980). Basic Steel Design Bruce G. Johnston Et. Al. Prentice-Hall.
Chicago Style (17th ed.) CitationJOHNSTON, Bruce G., i Bruce G. JOHNSTON. Basic Steel Design Bruce G. Johnston Et. Al. Prentice-Hall, 1980.
Cita MLAJOHNSTON, Bruce G., i Bruce G. JOHNSTON. Basic Steel Design Bruce G. Johnston Et. Al. Prentice-Hall, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.