Cita APA (7th ed.)

Zwaenepoel, P. P. (1977). Educational systems analysis: An interdisciplinary approach. s. n.

Cita Chicago (17th ed.)

Zwaenepoel, Paul P. Educational Systems Analysis: An Interdisciplinary Approach. s. l: s. n, 1977.

Cita MLA (9th ed.)

Zwaenepoel, Paul P. Educational Systems Analysis: An Interdisciplinary Approach. s. n, 1977.