Gaya APA

Reinhardt, F, L., H.Leftwich, R. (1996). Business Management and The Natural Enuironment . United States Of America: ITP..

Gaya MLA

Reinhardt, Forest, L.., H.Leftwich, Richard. "Business Management and The Natural Enuironment". United States Of America: ITP., 1996. Buku FE.