Hein, M. (1977). Foundations of college chemistry (4th ed.). Brooks/Cole.
Chicago-čujuhus (17. p.)Hein, Morris. Foundations of College Chemistry. 4th ed. Monterey: Brooks/Cole, 1977.
MLA-čujuhus (9. p.)Hein, Morris. Foundations of College Chemistry. 4th ed. Brooks/Cole, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.