Παραπομπή σε μορφή APA (7η εκδ.)

Economic Development Foundation, Inc, & Ford, W. B. (1966). A discussion of rate of returns on investments as the basis of decision. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Economic Development Foundation, Inc, και Wendell B. Ford. A Discussion of Rate of Returns on Investments as the Basis of Decision. Manila: [s.n.], 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

Economic Development Foundation, Inc, και Wendell B. Ford. A Discussion of Rate of Returns on Investments as the Basis of Decision. [s.n.], 1966.