Gaya APA

Dokkum, K, V. (2016). Ship Knowledge : Ship Design, Construction, and Operation (Ed. 9). The Netherlands: Penerbit DOKMAR, Maritime Publishers BV.

Gaya MLA

Dokkum, Klaas, Van. "Ship Knowledge : Ship Design, Construction, and Operation". Ed. 9 The Netherlands: Penerbit DOKMAR, Maritime Publishers BV, 2016. Text.