APA

Roberts J. T., . (1994). Clinical management of the airway. United Estates of America: W. B. Saunders company.

Chicago

Roberts James T, . 1994. Clinical management of the airway. United Estates of America: W. B. Saunders company.

Harvard

Roberts J. T., . (1994). Clinical management of the airway. United Estates of America: W. B. Saunders company.

MLA

Roberts James T, . Clinical management of the airway. United Estates of America: W. B. Saunders company. 1994.