Deismireacht APA

Landon, C. (1957). Unseen enemy. Garden City, New York: Doubleday & Company.

Trích dẫn kiểu Chicago

Landon, Christopher. Unseen Enemy. Garden City, New York: Doubleday & Company, 1957.

Deismireacht MLA

Landon, Christopher. Unseen Enemy. Garden City, New York: Doubleday & Company, 1957.

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