Lua APA (7ú heag.)

Rollins, S. P., & Unruh, A. (1964). Introduction to secondary education. Rand McNally.

Lua i Stíl Chicago (17ú heag.)

Rollins, Sidney Philip, agus Adolph Unruh. Introduction to Secondary Education. Chicago: Rand McNally, 1964.

Lua MLA (8ú heag.)

Rollins, Sidney Philip, agus Adolph Unruh. Introduction to Secondary Education. Rand McNally, 1964.

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