APA (7th ed.) Citation

Hy Ruchlis. (1981). Kisah Matematik. Tropical Press Sdn Bhd.

Chicago Style (17th ed.) Citation

Hy Ruchlis. Kisah Matematik. Kuala Lumpur: Tropical Press Sdn Bhd, 1981.

MLA (9th ed.) Citation

Hy Ruchlis. Kisah Matematik. Tropical Press Sdn Bhd, 1981.

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