Walberg, H. J. (1978). American education: Diversity and research. Voice of America.
Cita Chicago (17th ed.)Walberg, Herbert J. American Education: Diversity and Research. Washington: Voice of America, 1978.
Cita MLA (9th ed.)Walberg, Herbert J. American Education: Diversity and Research. Voice of America, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.