Bahasa, U. T. M. P. P. K. J. (1989). English language proficiency rating system (ELPRS): (phase 1). Skudai : UTM.
Chicago Style (17th ed.) CitationBahasa, Universiti Teknologi Malaysia. Pusat Pengajian Kemanusiaan. Jabatan. English Language Proficiency Rating System (ELPRS): (phase 1). Skudai : UTM, 1989.
MLA (9th ed.) CitationBahasa, Universiti Teknologi Malaysia. Pusat Pengajian Kemanusiaan. Jabatan. English Language Proficiency Rating System (ELPRS): (phase 1). Skudai : UTM, 1989.
Warning: These citations may not always be 100% accurate.