Cita APA (7a ed.)
Shaffer, R. H., & Martinson, W. D. (1969). Student personnel services in higher education.
Cita estilo Chicago (17a ed.)
Shaffer, Robert H., y Wiliam D. Martinson. Student Personnel Services in Higher Education. 1969.
Cita MLA (9a ed.)
Shaffer, Robert H., y Wiliam D. Martinson. Student Personnel Services in Higher Education. 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.