Dyfyniad APA

Mayshark, C., & Irwin, L. W. (1968). Health education in secondary schools (2d ed.). C. V. Mosby Co..

Dyfyniad Arddull Chicago

Mayshark, Cyrus, and Leslie W. Irwin. Health Education in Secondary Schools. 2d ed. St. Louis: C. V. Mosby Co., 1968.

Dyfyniad MLA

Mayshark, Cyrus, and Leslie W. Irwin. Health Education in Secondary Schools. 2d ed. C. V. Mosby Co., 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.