Cita APA (7th ed.)
Light, R. J., Singer, J. D., & Willett, J. B. (1990). By design: Planning research on higher education. Harvard University Press.
Cita Chicago (17th ed.)
Light, Richard J., Judith D. Singer, i John B. Willett. By Design: Planning Research on Higher Education. Cambridge, MA: Harvard University Press, 1990.
Cita MLA (9th ed.)
Light, Richard J., et al. By Design: Planning Research on Higher Education. Harvard University Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.