(1971). [Việt Nam tỉnh ...]. National Geographic Directorate.
Chicago Style (17th ed.) Citation[Việt Nam Tỉnh ...]. [Dalat]: National Geographic Directorate, 1971.
MLA (9th ed.) Citation[Việt Nam Tỉnh ...]. National Geographic Directorate, 1971.
Warning: These citations may not always be 100% accurate.