APA-viite

(2016). Study material for all PSC exams: HSA/HSST/LP/UP/LDC etc (3rd ed.). Ace.

Chicago-tyylinen lähdeviittaus

Study Material for All PSC Exams: HSA/HSST/LP/UP/LDC Etc. 3rd ed. Manjeri: Ace, 2016.

MLA-viite

Study Material for All PSC Exams: HSA/HSST/LP/UP/LDC Etc. 3rd ed. Ace, 2016.