APA
Ceylon G. o. C. a. I. (. o., Ceylon G. o. C. a. I. (. o., . (1938). Ceylon blue book, 1938. Columbno: Government Press Sri Lanka.
Chicago
Ceylon Government of Commerce and Industries (Department of...), Ceylon Government of Commerce and Industries (Department of...), . 1938. Ceylon blue book, 1938. Columbno: Government Press Sri Lanka.
Harvard
Ceylon G. o. C. a. I. (. o., Ceylon G. o. C. a. I. (. o., . (1938). Ceylon blue book, 1938. Columbno: Government Press Sri Lanka.
MLA
Ceylon Government of Commerce and Industries (Department of...), Ceylon Government of Commerce and Industries (Department of...), . Ceylon blue book, 1938. Columbno: Government Press Sri Lanka. 1938.
