Παραπομπή APA

Kiefer, N. M., & Neumann, G. R. (1989). Search models and applied ecconomics. Cambridge University Press.

Παραπομπή Chicago Style

Kiefer, Nicholas M., και George R. Neumann. Search Models and Applied Ecconomics. Cambridge: Cambridge University Press, 1989.

Παραπομπή MLA

Kiefer, Nicholas M., και George R. Neumann. Search Models and Applied Ecconomics. Cambridge University Press, 1989.