Tohutoro APA (7th ed.)
Halvorson, L. E. (1976). Peace on earth handbook. Augsburg Publishing company.
Tohutoru Kātū Chicago (17th ed.)
Halvorson, Loren E. Peace on Earth Handbook. Minneapolis: Augsburg Publishing company, 1976.
Tohutoro MLA (9th ed.)
Halvorson, Loren E. Peace on Earth Handbook. Augsburg Publishing company, 1976.
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