APA(7版)引用形式

Calkins, P. H. (1976). Four approaches to risk and uncertainty for use in farm management extension. Office of Information Service, Asian Vegetable Research & Development Center.

Chicagoスタイル(17版)引用形式

Calkins, Peter H. Four Approaches to Risk and Uncertainty for Use in Farm Management Extension. Tainan, Taiwan: Office of Information Service, Asian Vegetable Research & Development Center, 1976.

MLA(9版)引用形式

Calkins, Peter H. Four Approaches to Risk and Uncertainty for Use in Farm Management Extension. Office of Information Service, Asian Vegetable Research & Development Center, 1976.

警告: この引用は必ずしも正確ではありません.