Παραπομπή APA

Cossman, E. J. (1963). How I made 1,000,000 in mail orders. Prentice Hall.

Παραπομπή Chicago Style

Cossman, E. Joseph. How I Made 1,000,000 in Mail Orders. New Jersey: Prentice Hall, 1963.

Παραπομπή MLA

Cossman, E. Joseph. How I Made 1,000,000 in Mail Orders. Prentice Hall, 1963.