Bisque, R. E. (1975). Earth science: Patterns in our environment. Prentice-Hall.
Chicago-čujuhus (17. p.)Bisque, Ramon E. Earth Science: Patterns in Our Environment. Englewood cliffs: Prentice-Hall, 1975.
MLA-čujuhus (9. p.)Bisque, Ramon E. Earth Science: Patterns in Our Environment. Prentice-Hall, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.