Piper, M. K. (1977). Attitudes toward science: Investigations. ERIC.
Cita Chicago (17th ed.)Piper, Martha K. Attitudes Toward Science: Investigations. Ohio, Estados Unidos: ERIC, 1977.
Cita MLA (9th ed.)Piper, Martha K. Attitudes Toward Science: Investigations. ERIC, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.
