APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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