Gates, D. S. (1974). A self-instructional approach to the physical sciences ([Rev. ed.].). Prentice-Hall.
Chicago-viite (17. p.)Gates, David S. A Self-instructional Approach to the Physical Sciences. [Rev. ed.]. Englewood Cliffs, N.J.: Prentice-Hall, 1974.
MLA-viite (8. p.)Gates, David S. A Self-instructional Approach to the Physical Sciences. [Rev. ed.]. Prentice-Hall, 1974.
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