APA

Bretland P. M., . (1972). Acute ureteric obstruction : a clinical and radiological study. New York: Appleton-Century-Crofts.

Chicago

Bretland P M, . 1972. Acute ureteric obstruction : a clinical and radiological study. New York: Appleton-Century-Crofts.

Harvard

Bretland P. M., . (1972). Acute ureteric obstruction : a clinical and radiological study. New York: Appleton-Century-Crofts.

MLA

Bretland P M, . Acute ureteric obstruction : a clinical and radiological study. New York: Appleton-Century-Crofts. 1972.