.Goss, R. O., .Gardner, B. M., .Goss, R., & .Jones, C. (1977). Advances in maritime economics. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.).Goss, R. O., B. M. .Gardner, R.O .Goss, agus C.D .Jones. Advances in Maritime Economics. Cambridge ; New York: Cambridge University Press, 1977.
Lua MLA (9ú heag.).Goss, R. O., et al. Advances in Maritime Economics. Cambridge University Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.