Kroon, H. (1925). Die Tierzucht in Holland.
Cita Chicago (17th ed.)Kroon, H.M. Die Tierzucht in Holland. 1925.
Cita MLA (9th ed.)Kroon, H.M. Die Tierzucht in Holland. 1925.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)