Iliffe, J. C. y Greenland, A. J. (2001) «Accreditation of The Hydrographic Surveying Course at UCL and The PLA», The International Hydrographic Review, 2(3). Disponible en: https://journals.lib.unb.ca/index.php/ihr/article/view/20561 (Accedido: 27 septiembre 2024).