Cita APA (7a ed.)

Bleeker, R. J. P. v. G. (1964). Three secrets of development magic. International Labour Organization.

Cita Chicago Style (17a ed.)

Bleeker, Rijco Jan Petrus van Glinstra. Three Secrets of Development Magic. International Labour Organization, 1964.

Cita MLA (9a ed.)

Bleeker, Rijco Jan Petrus van Glinstra. Three Secrets of Development Magic. International Labour Organization, 1964.