Webb, W. F. (1945). Preface marine shells. U.S.A.
Trích dẫn kiểu ChicagoWebb, Walter F. Preface Marine Shells. U.S.A, 1945.
ציטוט MLAWebb, Walter F. Preface Marine Shells. U.S.A, 1945.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
Webb, W. F. (1945). Preface marine shells. U.S.A.
Trích dẫn kiểu ChicagoWebb, Walter F. Preface Marine Shells. U.S.A, 1945.
ציטוט MLAWebb, Walter F. Preface Marine Shells. U.S.A, 1945.