APA (7th ed.) Citation

Kumara Velu. (2005). The secret envelopes. Oscar Book International.

Chicago Style (17th ed.) Citation

Kumara Velu. The Secret Envelopes. Petaling Jaya: Oscar Book International, 2005.

MLA (8th ed.) Citation

Kumara Velu. The Secret Envelopes. Oscar Book International, 2005.

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