APA (7e ed.) Bronvermelding

Kelley, A. G. (1976). Demographic change and the size of the government sector. International Labour Office.

Chicago (17e ed.) Bronvermelding

Kelley, Allen G. Demographic Change and the Size of the Government Sector. Geneva: International Labour Office, 1976.

MLA (9e ed.) Bronvermelding

Kelley, Allen G. Demographic Change and the Size of the Government Sector. International Labour Office, 1976.