Não informado. (1968). Rhodesian journal of agricultural research. Department of Research and Specialist Services.
Chicago-Zitierstil (17. Ausg.)Não informado. Rhodesian Journal of Agricultural Research. Salisbury, Zimbabwe: Department of Research and Specialist Services, 1968.
MLA-Zitierstil (8. Ausg.)Não informado. Rhodesian Journal of Agricultural Research. Department of Research and Specialist Services, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.