APA (7e ed.) Bronvermelding

Fuchs, V. R., & Wilburn, J. A. (1967). Productivity differences within the service sector. National Bureau of Economic Research.

Chicago (17e ed.) Bronvermelding

Fuchs, Victor Robert, en Jean Alexander Wilburn. Productivity Differences Within the Service Sector. New York: National Bureau of Economic Research, 1967.

MLA (9e ed.) Bronvermelding

Fuchs, Victor Robert, en Jean Alexander Wilburn. Productivity Differences Within the Service Sector. National Bureau of Economic Research, 1967.