Sri Lanka. (1975). Statistical abstract of the Democratic Socialist Republic of Sri Lanka: = Śrī Laṅka saṅkhyāna nibandhaya = Ilaṅkaip pulliviparat tokuppu. Department.
Chicago-Zitierstil (17. Ausg.)Sri Lanka. Statistical Abstract of the Democratic Socialist Republic of Sri Lanka: = Śrī Laṅka Saṅkhyāna Nibandhaya = Ilaṅkaip Pulliviparat Tokuppu. Colombo: Department, 1975.
MLA-Zitierstil (9. Ausg.)Sri Lanka. Statistical Abstract of the Democratic Socialist Republic of Sri Lanka: = Śrī Laṅka Saṅkhyāna Nibandhaya = Ilaṅkaip Pulliviparat Tokuppu. Department, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.