Lua APA (7ú heag.)

SMITH, H. L., & SMITH, J. R. (1959). An introduction to research in education. Educational Pub.

Lua i Stíl Chicago (17ú heag.)

SMITH, Henry Lester, agus Johnnie Rutland SMITH. An Introduction to Research in Education. Indiana: Educational Pub, 1959.

Lua MLA (9ú heag.)

SMITH, Henry Lester, agus Johnnie Rutland SMITH. An Introduction to Research in Education. Educational Pub, 1959.

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