Gaya APA

Kirszner, L, G., Mandell, S, R. (1989). The holt handbook . United States of Amerika: Hold, Rinehart & Winston.

Gaya MLA

Kirszner, Laurie, G.., Mandell, Stephen, R.. "The holt handbook". United States of Amerika: Hold, Rinehart & Winston, 1989. Text.