Clarkson, E. N. K. (1998). Invertebrate palaeontology and evolution (Fourth edition.). Blackwell Science.
Chicago Style (17th ed.) CitationClarkson, E. N. K. Invertebrate Palaeontology and Evolution. Fourth edition. Oxford, UK: Blackwell Science, 1998.
ציטוט MLAClarkson, E. N. K. Invertebrate Palaeontology and Evolution. Fourth edition. Blackwell Science, 1998.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.