APA (7th ed.) Citation

Abu Hassan Adam. (1991). Menghala wawasan 2020 (Cet. 1.). Arena Ilmu.

Chicago Style (17th ed.) Citation

Abu Hassan Adam. Menghala Wawasan 2020. Cet. 1. Kuala Lumpur: Arena Ilmu, 1991.

MLA (9th ed.) Citation

Abu Hassan Adam. Menghala Wawasan 2020. Cet. 1. Arena Ilmu, 1991.

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