Phillips, E. D. (1983). Intermediate algebra: Applications and problem solving. Harper and Row Publishers.
Lua i Stíl Chicago (17ú heag.)Phillips, Elizabeth Difanis. Intermediate Algebra: Applications and Problem Solving. New York: Harper and Row Publishers, 1983.
Lua MLA (9ú heag.)Phillips, Elizabeth Difanis. Intermediate Algebra: Applications and Problem Solving. Harper and Row Publishers, 1983.
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