Gaya APA

(APPI), A, P, , P, I. (1991). Katalog Prangko Indonesia 1992 . Surabaja: PT SEEKING PHILATELY.

Gaya MLA

(APPI), Asosiasi, Pedagang, , Perangko, Indonesia. "Katalog Prangko Indonesia 1992". Surabaja: PT SEEKING PHILATELY, 1991. Text.