APA (7e ed.) Bronvermelding

Harris, S. (1981). Pre- and postoperative evaluation in middle ear surgery. [s.n.].

Chicago (17e ed.) Bronvermelding

Harris, Sten. Pre- and Postoperative Evaluation in Middle Ear Surgery. Malmö: [s.n.], 1981.

MLA (8e ed.) Bronvermelding

Harris, Sten. Pre- and Postoperative Evaluation in Middle Ear Surgery. [s.n.], 1981.