Caldwell, E. (1980). Health assistant. Delmar.
Chicago Style aipamenaCaldwell, Esther. Health Assistant. Delmar, 1980.
MLA aipamenaCaldwell, Esther. Health Assistant. Delmar, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Caldwell, E. (1980). Health assistant. Delmar.
Chicago Style aipamenaCaldwell, Esther. Health Assistant. Delmar, 1980.
MLA aipamenaCaldwell, Esther. Health Assistant. Delmar, 1980.