Παραπομπή APA

Lipsey, R. G. (1970). Theory of customs unions: A general equilibrium analysis. London school of economics.

Παραπομπή Chicago Style

Lipsey, Richard G. Theory of Customs Unions: A General Equilibrium Analysis. London: London school of economics, 1970.

Παραπομπή MLA

Lipsey, Richard G. Theory of Customs Unions: A General Equilibrium Analysis. London school of economics, 1970.