APA-referens (7:e uppl.)

Warr, J., & Trotter, H. (2023). Notes on the comparative economic cost of wood and metal sleepers in India, and cost of treatment. Central Publication Branch, Government of India. [img].

Chicago-referens (17:e uppl.)

Warr, J.H, och H. Trotter. Notes on the Comparative Economic Cost of Wood and Metal Sleepers in India, and Cost of Treatment. Central Publication Branch, Government of India. [img], 2023.

MLA-referens (9:e uppl.)

Warr, J.H, och H. Trotter. Notes on the Comparative Economic Cost of Wood and Metal Sleepers in India, and Cost of Treatment. Central Publication Branch, Government of India. [img], 2023.

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