Gaya APA

Arden, M, M., Dowling, B, T. (1982). Business Concepts For English Practice (2). Boston: Heinle &Heinle Publishers.

Gaya MLA

Arden, Marianne, McDougal., Dowling, Barbara, Tolley. "Business Concepts For English Practice". 2 Boston: Heinle &Heinle Publishers, 1982. Buku.