APA aipamena

Heinz, H. J. 57 a housewife looks at Heinz. London: H. J. Heinz Co, LTD.

Chicago Style aipamena

Heinz, H. J. 57 a Housewife Looks At Heinz. London: H. J. Heinz Co, LTD.

MLA aipamena

Heinz, H. J. 57 a Housewife Looks At Heinz. London: H. J. Heinz Co, LTD.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.