APA (7e ed.) Bronvermelding

Não informado. (1968). Electronic applications, components and materials. Philips Gloeilampenfabrieken.

Chicago (17e ed.) Bronvermelding

Não informado. Electronic Applications, Components and Materials. Eindhoven, Holanda: Philips Gloeilampenfabrieken, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Electronic Applications, Components and Materials. Philips Gloeilampenfabrieken, 1968.

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