Gaya APA

Malek, M., A. (2007). Heating boiler operator's manual: maintenance, operation, and repair (-). new york: Akademi Komunitas Perkebunan Yogyakarta.

Gaya MLA

Malek, M., A.. Heating boiler operator's manual: maintenance, operation, and repair. - new york: Akademi Komunitas Perkebunan Yogyakarta, 2007. Text.