Leibovich, H. A. (1999). Realidad cósmica.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Leibovich, Harry A. Realidad Cósmica. 1999.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Leibovich, Harry A. Realidad Cósmica. 1999.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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