Gaya APA

Butler, D. (2012). A Guide to Ship Repair Estimates in Man-hours (Ed. 2). USA: Penerbit Butterworth-Heinemann An imprint of Elsevier.

Gaya MLA

Butler, Don. "A Guide to Ship Repair Estimates in Man-hours". Ed. 2 USA: Penerbit Butterworth-Heinemann An imprint of Elsevier, 2012. Text.