Instructional Objectives Exchange. (1970). Language arts: Composition skills, K-12 (Rev. ed.). Instructional Objectives Exchange.
Citace podle Chicago (17th ed.)Instructional Objectives Exchange. Language Arts: Composition Skills, K-12. Rev. ed. Los Angeles, Calif.: Instructional Objectives Exchange, 1970.
Citace podle MLA (8th ed.)Instructional Objectives Exchange. Language Arts: Composition Skills, K-12. Rev. ed. Instructional Objectives Exchange, 1970.
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