Tohutoro APA (7th ed.)
Mumford, B. (1969). 15 Steps out. Logos international.
Tohutoru Kātū Chicago (17th ed.)
Mumford, Bob. 15 Steps Out. Plainfield,NJ: Logos international, 1969.
Tohutoro MLA (9th ed.)
Mumford, Bob. 15 Steps Out. Logos international, 1969.
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