Cita APA (7a ed.)
Bisht, L. Introduction to Environmental Geology. Anmol.
Cita estilo Chicago (17a ed.)
Bisht, L.P. Introduction to Environmental Geology. Nueva Delhi, India: Anmol.
Cita MLA (9a ed.)
Bisht, L.P. Introduction to Environmental Geology. Anmol.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.