APA (7e ed.) Bronvermelding

Não informado. (1956). Package Engineering. Cahners Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Package Engineering. Des Plaines, Ill: Cahners Publishing, 1956.

MLA (8e ed.) Bronvermelding

Não informado. Package Engineering. Cahners Publishing, 1956.

Let op: Deze citaties zijn niet altijd 100% accuraat.