India. Tea Board. (1962). Survey of the living conditions of tea plantation labour in Tripura.
Chicago-viite (17. p.)India. Tea Board. Survey of the Living Conditions of Tea Plantation Labour in Tripura. [Calcutta, 1962.
MLA-viite (8. p.)India. Tea Board. Survey of the Living Conditions of Tea Plantation Labour in Tripura. 1962.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.