Cita APA (7th ed.)

Harper, W. J., & Hall, C. W. (1976). Dairy technology and engineering. Avi.

Cita Chicago (17th ed.)

Harper, W. James, i Carl W. Hall. Dairy Technology and Engineering. Westport: Avi, 1976.

Cita MLA (9th ed.)

Harper, W. James, i Carl W. Hall. Dairy Technology and Engineering. Avi, 1976.