Theng. (2000). Ekonomi Asas tingkatan 4 & 5. Sasbadi Sdn Bhd.
Chicago Style (17th ed.) CitationTheng. Ekonomi Asas Tingkatan 4 & 5. Petaling Jaya: Sasbadi Sdn Bhd, 2000.
MLA (8th ed.) CitationTheng. Ekonomi Asas Tingkatan 4 & 5. Sasbadi Sdn Bhd, 2000.
Warning: These citations may not always be 100% accurate.