APA
Ingram J. B., . (1979). Curriculum integration and lifelong education. Paris: Unesco.
Chicago
Ingram James B, . 1979. Curriculum integration and lifelong education. Paris: Unesco.
Harvard
Ingram J. B., . (1979). Curriculum integration and lifelong education. Paris: Unesco.
MLA
Ingram James B, . Curriculum integration and lifelong education. Paris: Unesco. 1979.