Gaya APA

Dokkum, K, V. (2012). Ship Knowledge : Ship Design, Construction and Operation (Ed. 7). The Netherlands: Penerbit DOKMAR, Maritime Publishers BV.

Gaya MLA

Dokkum, Klaas, Van. "Ship Knowledge : Ship Design, Construction and Operation". Ed. 7 The Netherlands: Penerbit DOKMAR, Maritime Publishers BV, 2012. Text.