Kuttner, H. (1953). Ahead of time: Ten stories of science fiction and fantasy. Ballantine books.
Chicago-Zitierstil (17. Ausg.)Kuttner, Henry. Ahead of Time: Ten Stories of Science Fiction and Fantasy. New York: Ballantine books, 1953.
MLA-Zitierstil (8. Ausg.)Kuttner, Henry. Ahead of Time: Ten Stories of Science Fiction and Fantasy. Ballantine books, 1953.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.