APA (7e ed.) Bronvermelding

Törmä, T. (1957). Malignant tumours of the spine and the spinal extradural space: A study based on 250 histologically verified cases.

Chicago (17e ed.) Bronvermelding

Törmä, Tapio. Malignant Tumours of the Spine and the Spinal Extradural Space: A Study Based on 250 Histologically Verified Cases. Helsinki, 1957.

MLA (8e ed.) Bronvermelding

Törmä, Tapio. Malignant Tumours of the Spine and the Spinal Extradural Space: A Study Based on 250 Histologically Verified Cases. 1957.