APA (7th ed.) Citation

Ong, T. K. (2021). Tong's portfolio: Investing can be fun and profitable. The Edge Communications.

Chicago Style (17th ed.) Citation

Ong, Tong Kooi. Tong's Portfolio: Investing Can Be Fun and Profitable. Selangor, Malaysia: The Edge Communications, 2021.

MLA (9th ed.) Citation

Ong, Tong Kooi. Tong's Portfolio: Investing Can Be Fun and Profitable. The Edge Communications, 2021.