एपीए उद्धरण

Frantzen, J. (1994). Studies on the weed pathosystem cirsium arvense - puccinia punctiformis. DLO-Centre for Agrobiological Research.

शिकागो स्टाइल उद्धरण

Frantzen, Jos. Studies on the Weed Pathosystem Cirsium Arvense - Puccinia Punctiformis. Wageningen: DLO-Centre for Agrobiological Research, 1994.

एमएलए उद्धरण

Frantzen, Jos. Studies on the Weed Pathosystem Cirsium Arvense - Puccinia Punctiformis. DLO-Centre for Agrobiological Research, 1994.