APA (7. basım) Alıntı

HUGGINS, W., & ENTWISLE, D. R. (1968). Introductory systems and design. Blaisdell.

Chicago Style (17. basım) Atıf

HUGGINS, W.H, ve Doris R. ENTWISLE. Introductory Systems and Design. Waltham: Blaisdell, 1968.

MLA (9th ed.) Atıf

HUGGINS, W.H, ve Doris R. ENTWISLE. Introductory Systems and Design. Blaisdell, 1968.