APA aipamena

Tinbergen, J. (1967). Development planning. London: World University Library.

Chicago Style aipamena

Tinbergen, Jan. Development Planning. London: World University Library, 1967.

MLA aipamena

Tinbergen, Jan. Development Planning. London: World University Library, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.