'Aayed Ibn 'Abdullah, A. Don't be sad: Be happy always! Jabatan Perkhidmatan Awam.
Chicago Style (17th ed.) Citation'Aayed Ibn 'Abdullah, Al-Qarni. Don't Be Sad: Be Happy Always! Putrajaya: Jabatan Perkhidmatan Awam.
MLA (8th ed.) Citation'Aayed Ibn 'Abdullah, Al-Qarni. Don't Be Sad: Be Happy Always! Jabatan Perkhidmatan Awam.
Warning: These citations may not always be 100% accurate.