Cita APA (7th ed.)

Lingard, E., & Sizer, J. (1980). Commodities for caterers. Cassell.

Cita Chicago (17th ed.)

Lingard, E., i John Sizer. Commodities for Caterers. London: Cassell, 1980.

Cita MLA (8th ed.)

Lingard, E., i John Sizer. Commodities for Caterers. Cassell, 1980.