Παραπομπή APA

Bjerve, P. J. (1959). Planning in Norway 1947-1956. North Holland Publishing Co.

Παραπομπή Chicago Style

Bjerve, Petter Jakob. Planning in Norway 1947-1956. Amsterdam: North Holland Publishing Co, 1959.

Παραπομπή MLA

Bjerve, Petter Jakob. Planning in Norway 1947-1956. North Holland Publishing Co, 1959.