Salvinder Singh Karam Singh & Shahrum Abdullah. (2018). Pendekatan keboleharapan penilaian hayat lesu. Penerbit Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationSalvinder Singh Karam Singh and Shahrum Abdullah. Pendekatan Keboleharapan Penilaian Hayat Lesu. Bangi: Penerbit Universiti Kebangsaan Malaysia, 2018.
MLA (9th ed.) CitationSalvinder Singh Karam Singh and Shahrum Abdullah. Pendekatan Keboleharapan Penilaian Hayat Lesu. Penerbit Universiti Kebangsaan Malaysia, 2018.
Warning: These citations may not always be 100% accurate.