APA-čujuhus (7. p.)

(1979). Introduction to natural science. McGraw-Hill.

Chicago-čujuhus (17. p.)

Introduction to Natural Science. New York: McGraw-Hill, 1979.

MLA-čujuhus (9. p.)

Introduction to Natural Science. McGraw-Hill, 1979.

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