Não informado. (1955). Texas agricultural progress. Texas Agricultural Experiment Station.
Chicago-Zitierstil (17. Ausg.)Não informado. Texas Agricultural Progress. College Station, Tex: Texas Agricultural Experiment Station, 1955.
MLA-Zitierstil (8. Ausg.)Não informado. Texas Agricultural Progress. Texas Agricultural Experiment Station, 1955.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.