Zeegers, M. (1968). Ontucht in Nederland. 's-Gravenhage: NVSH.
Cita Chicago (17th ed.)Zeegers, M. Ontucht in Nederland. 's-Gravenhage: NVSH, 1968.
Cita MLA (8th ed.)Zeegers, M. Ontucht in Nederland. 's-Gravenhage: NVSH, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.