Skinner, B. F. (1976). Walden Two. Macmillan.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Skinner, B F. Walden Two. New York: Macmillan, 1976.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Skinner, B F. Walden Two. Macmillan, 1976.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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