APA (7th ed.) Citation

Turkington & Nor Halina Ghazali. (1999). 12 langkah ke arah daya ingatan cemerlang. Prentice-Hall.

Chicago Style (17th ed.) Citation

Turkington and Nor Halina Ghazali. 12 Langkah Ke Arah Daya Ingatan Cemerlang. Petaling Jaya: Prentice-Hall, 1999.

MLA (9th ed.) Citation

Turkington and Nor Halina Ghazali. 12 Langkah Ke Arah Daya Ingatan Cemerlang. Prentice-Hall, 1999.

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