1.
, . The calculus of extension. New York: Chelsea Pub. Co.; 1960.
et . The calculus of extension. New York : Chelsea Pub. Co, 22 mai 1960
Forder Henry G. & Genese Robert William. (1960). The calculus of extension. Chelsea Pub. Co.
MLA (8th ed.) CitationForder Henry G. and Genese Robert William. The Calculus of Extension. Chelsea Pub. Co, 1960.
Warning: These citations may not always be 100% accurate.