एपीए उद्धरण

VH Heywood. (1985). Flowering plants of the world. Groom Helm.

शिकागो स्टाइल उद्धरण

VH Heywood. Flowering Plants of the World. London: Groom Helm, 1985.

एमएलए उद्धरण

VH Heywood. Flowering Plants of the World. Groom Helm, 1985.