Citazione Stile APA (7a Edizione)

Klaassen, L. H. (1967). Methods of selecting industries for depressed areas: An introduction to feasibility studies. O.E.C.D.

Citazione stile Chigago Style (17a edizione)

Klaassen, Leonardus Hendrik. Methods of Selecting Industries for Depressed Areas: An Introduction to Feasibility Studies. [Paris]: O.E.C.D, 1967.

Citatione MLA (9a ed.)

Klaassen, Leonardus Hendrik. Methods of Selecting Industries for Depressed Areas: An Introduction to Feasibility Studies. O.E.C.D, 1967.