Manning, H. P. (1960). The fourth dimension simplyexolained: A collection of essays selected from those submitted in the scientific American's prize competition. Dover Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Manning, Henry Parker. The Fourth Dimension Simplyexolained: A Collection of Essays Selected from Those Submitted in the Scientific American's Prize Competition. New York: Dover Publications, 1960.
Παραπομπή σε μορφή MLA (9th εκδ.)Manning, Henry Parker. The Fourth Dimension Simplyexolained: A Collection of Essays Selected from Those Submitted in the Scientific American's Prize Competition. Dover Publications, 1960.
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