APA-čujuhus (7. p.)
Sobel, M. A., & Lerner, N. (1980). Algebra for college students: An intermediate approach. Prentice-Hall.
Chicago-čujuhus (17. p.)
Sobel, Max A., juo Norbert Lerner. Algebra for College Students: An Intermediate Approach. Englewood Cliffs, N.J.: Prentice-Hall, 1980.
MLA-čujuhus (9. p.)
Sobel, Max A., juo Norbert Lerner. Algebra for College Students: An Intermediate Approach. Prentice-Hall, 1980.
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