Gaya APA
Galloway, D, J. (1991).
Tropical lichens : their systematics, conservation, and ecology .
Oxford [England]:
PT.ELEX MEDIA KOMPUTINDO.
Gaya MLA
Galloway, D., J..
"Tropical lichens : their systematics, conservation, and ecology".
Oxford [England]:
PT.ELEX MEDIA KOMPUTINDO,
1991.
Text.