APA (7e ed.) Bronvermelding

Vormelker, R. L. (1951). The Company library: What it is and does. [s.n.].

Chicago (17e ed.) Bronvermelding

Vormelker, Rose L. The Company Library: What It Is and Does. New Jersey: [s.n.], 1951.

MLA (9e ed.) Bronvermelding

Vormelker, Rose L. The Company Library: What It Is and Does. [s.n.], 1951.