Παραπομπή APA

Berendsen,B S M. (1978). Regional models of trade and development. Martinus Nijhoff Social Science Division.

Παραπομπή Chicago Style

Berendsen,B S M. Regional Models of Trade and Development. Leiden: Martinus Nijhoff Social Science Division, 1978.

Παραπομπή MLA

Berendsen,B S M. Regional Models of Trade and Development. Martinus Nijhoff Social Science Division, 1978.