APA (7e ed.) Bronvermelding

Karttunen, A. (1989). Palpable lumps of the mammary gland: Examination by mammography, palpation and inspection, sonography, and fine-needle biopsy. University of Oulu.

Chicago (17e ed.) Bronvermelding

Karttunen, Ari. Palpable Lumps of the Mammary Gland: Examination by Mammography, Palpation and Inspection, Sonography, and Fine-needle Biopsy. Oulu: University of Oulu, 1989.

MLA (8e ed.) Bronvermelding

Karttunen, Ari. Palpable Lumps of the Mammary Gland: Examination by Mammography, Palpation and Inspection, Sonography, and Fine-needle Biopsy. University of Oulu, 1989.