Παραπομπή APA

Fishman, B. G., & Leo fishman. (1962). American economy. D. Van nostrand.

Παραπομπή Chicago Style

Fishman, Betty G., και Leo fishman. American Economy. New Jessey: D. Van nostrand, 1962.

Παραπομπή MLA

Fishman, Betty G., και Leo fishman. American Economy. D. Van nostrand, 1962.