APA aipamena

JOHNSTON, B. G., & JOHNSTON, B. G. (1980). Basic Steel Design Bruce G. Johnston Et. Al. Prentice-Hall.

Chicago Style aipamena

JOHNSTON, Bruce G., and Bruce G. JOHNSTON. Basic Steel Design Bruce G. Johnston Et. Al. Prentice-Hall, 1980.

MLA aipamena

JOHNSTON, Bruce G., and Bruce G. JOHNSTON. Basic Steel Design Bruce G. Johnston Et. Al. Prentice-Hall, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.