APA Alıntı

Wallace, J., & Lovell, H. G. (1968). Perkins hand-held applanation tonometer. A clinical evaluation.

Chicago Stili Alıntı

Wallace, J., ve H G. Lovell. Perkins Hand-held Applanation Tonometer. A Clinical Evaluation. 1968.

MLA Alıntı

Wallace, J., ve H G. Lovell. Perkins Hand-held Applanation Tonometer. A Clinical Evaluation. 1968.