JOHNSON, R. E. (1977). Algebra 1: A-two part course. Addison-wesley pub.
Chicago-čujuhus (17. p.)JOHNSON, Richard E. Algebra 1: A-two Part Course. California: Addison-wesley pub, 1977.
MLA-čujuhus (9. p.)JOHNSON, Richard E. Algebra 1: A-two Part Course. Addison-wesley pub, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.