Caldwell, E. (1980). Health assistant. Delmar.
Cita Chicago (17th ed.)Caldwell, Esther. Health Assistant. Delmar, 1980.
Cita MLA (9th ed.)Caldwell, Esther. Health Assistant. Delmar, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)