Gaya APA

Leising, W, A. (1959). Arctic wings. The breathtaking adventures and experiences of a flying missionary in the trackless wastes of the Frozen North. . Garden City: Garden City Echo Books.

Gaya MLA

Leising, William, A.. "Arctic wings. The breathtaking adventures and experiences of a flying missionary in the trackless wastes of the Frozen North. ". Garden City: Garden City Echo Books, 1959. Buku.