Gaya APA

Armstrong, D. M.. (1989). Universals : an opinionated introduction (1). : Westview Press.

Gaya Chicago

Armstrong, D. M.. Universals : an opinionated introduction. 1 : Westview Press, 1989. Non Fiction.

Gaya MLA

Armstrong, D. M.. Universals : an opinionated introduction. 1 : Westview Press, 1989. Non Fiction.

Gaya Turabian

Armstrong, D. M.. Universals : an opinionated introduction. 1 : Westview Press, 1989. Non Fiction.