APA-referens

Ashby, M. (1961). Introduction to plant ecology (2.). Mac Millan and English language book society.

Chicago-stil citat

Ashby, Maurice. Introduction to Plant Ecology. 2. London: Mac Millan and English language book society, 1961.

MLA-referens

Ashby, Maurice. Introduction to Plant Ecology. 2. Mac Millan and English language book society, 1961.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.