(1937). The annual exhibition representing research activities of Carnegie institution, by the Exhibition committee, Carnegie institution of Washington.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)The Annual Exhibition Representing Research Activities of Carnegie Institution, by the Exhibition Committee, Carnegie Institution of Washington. 1937.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)The Annual Exhibition Representing Research Activities of Carnegie Institution, by the Exhibition Committee, Carnegie Institution of Washington. 1937.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.