GRAY, P. M. (1992). Object - Oriented Data Bases A Semantic Data Model Approach Peter M.d Gray, Krishwarao G. Kulkarni, Norman W. Paton. Prentice - Hall.
Chicago Style (17th ed.) CitationGRAY, Peter M.D. Object - Oriented Data Bases A Semantic Data Model Approach Peter M.d Gray, Krishwarao G. Kulkarni, Norman W. Paton. Prentice - Hall, 1992.
MLA (8th ed.) CitationGRAY, Peter M.D. Object - Oriented Data Bases A Semantic Data Model Approach Peter M.d Gray, Krishwarao G. Kulkarni, Norman W. Paton. Prentice - Hall, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.