APA-referens

Manickam, V. S. (1984). Ecological studies on the fern flora of the Palni hills(S.India). Today and Tomorrow.

Chicago-stil citat

Manickam, V S. Ecological Studies on the Fern Flora of the Palni Hills(S.India). New Delhi: Today and Tomorrow, 1984.

MLA-referens

Manickam, V S. Ecological Studies on the Fern Flora of the Palni Hills(S.India). Today and Tomorrow, 1984.