Agriculture Department: USDA Blog. [S.l.]: [s.n.].
Chicago Style citaatAgriculture Department: USDA Blog. [S.l.]: [s.n.].
MLA citatieAgriculture Department: USDA Blog. [S.l.]: [s.n.].
Let op: Deze citaties zijn niet altijd 100% accuraat.
Agriculture Department: USDA Blog. [S.l.]: [s.n.].
Chicago Style citaatAgriculture Department: USDA Blog. [S.l.]: [s.n.].
MLA citatieAgriculture Department: USDA Blog. [S.l.]: [s.n.].