APA (7th ed.) Citation

Osman Affan & Wazif Bakhtiar. (2021). Ultra smart study: Kunci memori. PTS Publishing House Sdn Bhd.

Chicago Style (17th ed.) Citation

Osman Affan and Wazif Bakhtiar. Ultra Smart Study: Kunci Memori. Selangor: PTS Publishing House Sdn Bhd, 2021.

MLA (9th ed.) Citation

Osman Affan and Wazif Bakhtiar. Ultra Smart Study: Kunci Memori. PTS Publishing House Sdn Bhd, 2021.

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