Cita APA (7th ed.)
(1991). Endotracheal tubes. Springhouse Corpoation.
Cita Chicago (17th ed.)
Endotracheal Tubes. Bethlehem: Springhouse Corpoation, 1991.
Cita MLA (9th ed.)
Endotracheal Tubes. Springhouse Corpoation, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.