APA (7th ed.) Citation

(1991). National Library: Annual report 1990 - 1991. National Library.

Chicago Style (17th ed.) Citation

National Library: Annual Report 1990 - 1991. Singapore: National Library, 1991.

MLA (9th ed.) Citation

National Library: Annual Report 1990 - 1991. National Library, 1991.

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