Abdullah Hassan. (1998). Daya pengaruh dan perubahan sikap. Utusan Publications Distributors Sdn Bhd.
Chicago Style (17th ed.) CitationAbdullah Hassan. Daya Pengaruh Dan Perubahan Sikap. Kuala Lumpur: Utusan Publications Distributors Sdn Bhd, 1998.
MLA (9th ed.) CitationAbdullah Hassan. Daya Pengaruh Dan Perubahan Sikap. Utusan Publications Distributors Sdn Bhd, 1998.
Warning: These citations may not always be 100% accurate.