HUGGINS, W., & ENTWISLE, D. R. (1968). Introductory systems and design. Blaisdell.
Chicagoスタイル(17版)引用形式HUGGINS, W.H, , Doris R. ENTWISLE. Introductory Systems and Design. Waltham: Blaisdell, 1968.
MLA(9版)引用形式HUGGINS, W.H, , Doris R. ENTWISLE. Introductory Systems and Design. Blaisdell, 1968.
警告: この引用は必ずしも正確ではありません.