APA aipamena

SITORUS, R. H. (1993). English adjectives 1. Pionir Jaya.

Chicago Style aipamena

SITORUS, Ronald H. English Adjectives 1. Bandung: Pionir Jaya, 1993.

MLA aipamena

SITORUS, Ronald H. English Adjectives 1. Pionir Jaya, 1993.