APA-viite

Aboo Ishaque,P.K. (2018). Goegraphy of kerala: The land,people,economy and ecology. Lipi.

Chicago-tyylinen lähdeviittaus

Aboo Ishaque,P.K. Goegraphy of Kerala: The Land,people,economy and Ecology. Kozhikkode: Lipi, 2018.

MLA-viite

Aboo Ishaque,P.K. Goegraphy of Kerala: The Land,people,economy and Ecology. Lipi, 2018.