Lua APA (7ú heag.)
Rich,Barnet, & Schmidt,Philip A. (1993). Elementary algebra: Theory and problems (2nd ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Rich,Barnet, agus Schmidt,Philip A. Elementary Algebra: Theory and Problems. 2nd ed. New York: McGraw-Hill, 1993.
Lua MLA (9ú heag.)
Rich,Barnet, agus Schmidt,Philip A. Elementary Algebra: Theory and Problems. 2nd ed. McGraw-Hill, 1993.
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