APA (7th ed.) Citation

(1980). Ulu Ai (Sarawak) [peta]. London : HMSO.

Chicago Style (17th ed.) Citation

Ulu Ai (Sarawak) [peta]. London : HMSO, 1980.

MLA (9th ed.) Citation

Ulu Ai (Sarawak) [peta]. London : HMSO, 1980.

Warning: These citations may not always be 100% accurate.