APA Style

Ruth, Y. L. Wong. (2000). Celebrate English! 1B . Singapore: Longman Singapore.

Chicago Style

Ruth, Y. L. Wong. Celebrate English! 1B. Singapore: Longman Singapore, 2000. Text.

MLA Style

Ruth, Y. L. Wong. Celebrate English! 1B. Singapore: Longman Singapore, 2000. Text.

Turabian Style

Ruth, Y. L. Wong. Celebrate English! 1B. Singapore: Longman Singapore, 2000. Print.