Dyfyniad APA

R.Griffin Donald. (1959). Echoes of bats and men (In lần thứ 1.). American: Anchor Book.

Dyfyniad Arddull Chicago

R.Griffin Donald. Echoes of Bats and Men. In lần thứ 1. American: Anchor Book, 1959.

Dyfyniad MLA

R.Griffin Donald. Echoes of Bats and Men. In lần thứ 1. American: Anchor Book, 1959.

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