Gaya APA

POWERS, Melvin. (1980). How to get rich in mail order . California: Wilshire Book Co..

Gaya Chicago

POWERS, Melvin. How to get rich in mail order. California: Wilshire Book Co., 1980. Text.

Gaya MLA

POWERS, Melvin. How to get rich in mail order. California: Wilshire Book Co., 1980. Text.

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POWERS, Melvin. How to get rich in mail order. California: Wilshire Book Co., 1980. Print.