APA (7e ed.) Bronvermelding

Southgate, V. (1965). People at work: The postman and the postal service. Wills & Hepworth.

Chicago (17e ed.) Bronvermelding

Southgate, Vera. People at Work: The Postman and the Postal Service. Loughborough: Wills & Hepworth, 1965.

MLA (9e ed.) Bronvermelding

Southgate, Vera. People at Work: The Postman and the Postal Service. Wills & Hepworth, 1965.