Eckert, Lyons, & Strevell. (1950). Directed Experiments in Chemistry. College Entrance Book Company.
Chicago-čujuhus (17. p.)Eckert, Lyons, juo Strevell. Directed Experiments in Chemistry. New York: College Entrance Book Company, 1950.
MLA-čujuhus (9. p.)Eckert, et al. Directed Experiments in Chemistry. College Entrance Book Company, 1950.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.