APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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