Anderson, C. L., & Creswell, W. H. (1980). School health practice (7th ed.). Mosby.
Cita Chicago (17th ed.)Anderson, C. L., i William H. Creswell. School Health Practice. 7th ed. St. Louis: Mosby, 1980.
Cita MLA (9th ed.)Anderson, C. L., i William H. Creswell. School Health Practice. 7th ed. Mosby, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.