APA (7e ed.) Bronvermelding

Spons' Encyclopaedia. Spons' Encylopaedia of the industrial arts, manufactures, commercial products: Division II. E.

Chicago (17e ed.) Bronvermelding

Spons' Encyclopaedia. Spons' Encylopaedia of the Industrial Arts, Manufactures, Commercial Products: Division II. London: E.

MLA (9e ed.) Bronvermelding

Spons' Encyclopaedia. Spons' Encylopaedia of the Industrial Arts, Manufactures, Commercial Products: Division II. E.

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