APA (7e ed.) Bronvermelding

Northrup, H. R., Storholm, G. R., & paul, A. A. (1967). Restrictive labor practices in the supermarket industry. University of Pennsylvania Press.

Chicago (17e ed.) Bronvermelding

Northrup, Herbert Roof, Gordon R. Storholm, en A. Abodeely paul. Restrictive Labor Practices in the Supermarket Industry. Philadelphia: University of Pennsylvania Press, 1967.

MLA (9e ed.) Bronvermelding

Northrup, Herbert Roof, et al. Restrictive Labor Practices in the Supermarket Industry. University of Pennsylvania Press, 1967.

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