Gaya APA

al., E. et al (1991,1989,2018). Filsafat Pancasila (Ed. 2,Ed. 1,II). Yogyakarta: Liberty.

Gaya MLA

al., Et. et al. "Filsafat Pancasila". Ed. 2,Ed. 1,II Yogyakarta: Liberty, 1991,1989,2018. Text.