Carruth, H. (1970). Voice that is great within us: American poetry of the twentieth century. Babtham.
Trích dẫn kiểu ChicagoCarruth, Hayden. Voice That Is Great Within Us: American Poetry of the Twentieth Century. Toronto: Babtham, 1970.
Trích dẫn MLACarruth, Hayden. Voice That Is Great Within Us: American Poetry of the Twentieth Century. Babtham, 1970.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.