एपीए उद्धरण

N.D.G.James. (1990). The Arboricculturalist's Companion: A guide to the care of Trees. Basil Blackwell.

शिकागो स्टाइल उद्धरण

N.D.G.James. The Arboricculturalist's Companion: A Guide to the Care of Trees. Basil Blackwell, 1990.

एमएलए उद्धरण

N.D.G.James. The Arboricculturalist's Companion: A Guide to the Care of Trees. Basil Blackwell, 1990.