APA-čujuhus (7. p.)

AMRITE, V. &. O. ENVIRONMENTAL STUDIES-II SEM -II.

Chicago-čujuhus (17. p.)

AMRITE, V.G & OTHERS. ENVIRONMENTAL STUDIES-II SEM -II.

MLA-čujuhus (9. p.)

AMRITE, V.G & OTHERS. ENVIRONMENTAL STUDIES-II SEM -II.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.