Cita APA (7th ed.)

Hesseling, P. (1982). Effective organization research for development. Pergamon.

Cita Chicago (17th ed.)

Hesseling, Pjotr. Effective Organization Research for Development. Oxford: Pergamon, 1982.

Cita MLA (9th ed.)

Hesseling, Pjotr. Effective Organization Research for Development. Pergamon, 1982.