Theng Kock Leing. (2005). Ekonomi Asas: Tingkatan 4.5. Sasbadi Sdn. Bhd..
Chicago Style (17th ed.) CitationTheng Kock Leing. Ekonomi Asas: Tingkatan 4.5. Petaling Jaya: Sasbadi Sdn. Bhd., 2005.
MLA (9th ed.) CitationTheng Kock Leing. Ekonomi Asas: Tingkatan 4.5. Sasbadi Sdn. Bhd., 2005.
Warning: These citations may not always be 100% accurate.