Gaya APA

Horner, D, A. et al (2024). Metaethics : A Short Companion (First Edition). Brentwood, Tennessee, USA: B&H Academic.

Gaya MLA

Horner, David, A.. et al. "Metaethics : A Short Companion". First Edition Brentwood, Tennessee, USA: B&H Academic, 2024. Academic.