Chambers, R. R. (1972). The plain truth about armstrongism. Baker Book House.
Chicago-čujuhus (17. p.)Chambers, Roger R. The Plain Truth About Armstrongism. Baker Book House, 1972.
MLA-čujuhus (9. p.)Chambers, Roger R. The Plain Truth About Armstrongism. Baker Book House, 1972.
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