APA
"Travancore I. (. o. )., "Travancore I. (. o. )., .Administration report. Trivandrum: Government Press India.
Chicago
"Travancore Industries (Department of )", "Travancore Industries (Department of )", .Administration report. Trivandrum: Government Press India.
Harvard
"Travancore I. (. o. )., "Travancore I. (. o. )., .Administration report. Trivandrum: Government Press India.
MLA
"Travancore Industries (Department of )", "Travancore Industries (Department of )", .Trivandrum: Government Press India. .