Παραπομπή APA

Johansen, L., & Brown, M. C. (1965). Public economics. North - Holland.

Παραπομπή Chicago Style

Johansen, Leif, και M.C. Christophersen Brown. Public Economics. Amsterdam: North - Holland, 1965.

Παραπομπή MLA

Johansen, Leif, και M.C. Christophersen Brown. Public Economics. North - Holland, 1965.