Cita APA (7a ed.)

Kok, A. J. (1990). User modelling for data retrieval applications. Universiteit van Amsterdam.

Cita Chicago Style (17a ed.)

Kok, Andreas Jozef. User Modelling for Data Retrieval Applications. Netherlands: Universiteit van Amsterdam, 1990.

Cita MLA (8a ed.)

Kok, Andreas Jozef. User Modelling for Data Retrieval Applications. Universiteit van Amsterdam, 1990.