Dyfyniad APA

Pontoppidan, H., Geffin, B., & Lowenstein, E. (1973). Acute respiratory failure in the adult. Little, Brown.

Dyfyniad Arddull Chicago

Pontoppidan, Henning, Bennie Geffin, and Edward Lowenstein. Acute Respiratory Failure in the Adult. Boston: Little, Brown, 1973.

Dyfyniad MLA

Pontoppidan, Henning, et al. Acute Respiratory Failure in the Adult. Little, Brown, 1973.

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