Não informado. (1953). Netherlands Journal of Agricultural Science. Royal Netherlands Society for Agricultural Science.
Chicago-Zitierstil (17. Ausg.)Não informado. Netherlands Journal of Agricultural Science. Wageningen, Holanda: Royal Netherlands Society for Agricultural Science, 1953.
MLA-Zitierstil (8. Ausg.)Não informado. Netherlands Journal of Agricultural Science. Royal Netherlands Society for Agricultural Science, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.