Gradus, Y. (ca. 1972). The spatial urban ecology of metropolitan Haifa, Israel : a factoral approach [Microfilm]. University Microfilms.
Chicago Manual of Style 17th edition (author-date)Gradus, Yehudah. 1972. „The spatial urban ecology of metropolitan Haifa, Israel : a factoral approach“. Microfilm. Ann Arbor, Mich.: University Microfilms.
Springer - Basic (author-date)Gradus Y (1972) The spatial urban ecology of metropolitan Haifa, Israel : a factoral approach. University Microfilms
Springer - Lecture Notes in Computer Science1.Gradus, Y.: The spatial urban ecology of metropolitan Haifa, Israel : a factoral approach, (1972).
DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690Gradus, Yehudah ; ; ; : The spatial urban ecology of metropolitan Haifa, Israel : a factoral approach. Ann Arbor, Mich., University Microfilms, 1972
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.