Παραπομπή APA

Alberts, R. C. (1973). The good provider H. J. Heinz and his 57 varieties. Boston: Houghton Mifflin.

Παραπομπή Chicago Style

Alberts, Robert C. The Good Provider H. J. Heinz and His 57 Varieties. Boston: Houghton Mifflin, 1973.

Παραπομπή MLA

Alberts, Robert C. The Good Provider H. J. Heinz and His 57 Varieties. Boston: Houghton Mifflin, 1973.

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