APA ציטוט
Oulsen, V. (1958). Contributions to the middle cambrian palaeontology and stratigraphy of Argentina.
Chicago Style (17th ed.) Citation
Oulsen, Valdemar. Contributions to the Middle Cambrian Palaeontology and Stratigraphy of Argentina. 1958.
ציטוט MLA
Oulsen, Valdemar. Contributions to the Middle Cambrian Palaeontology and Stratigraphy of Argentina. 1958.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.