APA استشهاد

Haveman, R. H. (1976). The economics of the public sector (2nd ed.). John wiley & sos.

استشهاد بنمط شيكاغو

Haveman, Robert H. The Economics of the Public Sector. 2nd ed. New York: John wiley & sos, 1976.

MLA استشهاد

Haveman, Robert H. The Economics of the Public Sector. 2nd ed. John wiley & sos, 1976.