PROF. DR. GUSRIL, M.PD. AUTOBIOGRAFI: LIKA-LIKU MENGGAPAI GURU BESAR PEDAGOGI OLAHRAGA. [s.l.] : UNP PRESS,2021. Disponível em: http://unppress.unp.ac.id/index.php/unp-press/catalog/book/87. Acesso em: 16 jul. 2026.