APA aipamena

FREEMAN, B. G. (1993). Management In Engineering Principles And Practice Gail Freeman Bell, James Blackwill. s.n.

Chicago Style aipamena

FREEMAN, Bell Gail. Management In Engineering Principles And Practice Gail Freeman Bell, James Blackwill. s.n, 1993.

MLA aipamena

FREEMAN, Bell Gail. Management In Engineering Principles And Practice Gail Freeman Bell, James Blackwill. s.n, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.