APA ציטוט

Association of Geoscientists for International Development & Ricaldi, V. H. (1978). Directory of geoscience departments in universities in developing countries: 1977. Association of Geoscientists for International Development.

Chicago Style (17th ed.) Citation

Association of Geoscientists for International Development and Victor Hugo Ricaldi. Directory of Geoscience Departments in Universities in Developing Countries: 1977. St. John's, Newfoundland: Association of Geoscientists for International Development, 1978.

ציטוט MLA

Association of Geoscientists for International Development and Victor Hugo Ricaldi. Directory of Geoscience Departments in Universities in Developing Countries: 1977. Association of Geoscientists for International Development, 1978.