Swift, S. (1955). Sanitary officers practice: Food inspection. Butterworth.
Cita Chicago (17th ed.)Swift, S. Sanitary Officers Practice: Food Inspection. London: Butterworth, 1955.
Cita MLA (8th ed.)Swift, S. Sanitary Officers Practice: Food Inspection. Butterworth, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.