Gaya APA
Kolman, R. et al (2015).
Beyond Sand &Sea : 50 Years of Maritime Masterpieces .
Netherlands:
International Association of Dredging Companies.
Gaya MLA
Kolman, R.. et al.
"Beyond Sand &Sea : 50 Years of Maritime Masterpieces".
Netherlands:
International Association of Dredging Companies,
2015.
REF.