APA-referens (7:e uppl.)
Tomkins, P., & Harleston, H. Mysteries of the mexican pyramids / Peter Tompkins dimensional analysis on original drawings by Hugh Harleston, jr. and historic illustrations from many sources.
Chicago-referens (17:e uppl.)
Tomkins, Peter, och Hugh Harleston. Mysteries of the Mexican Pyramids / Peter Tompkins Dimensional Analysis on Original Drawings by Hugh Harleston, Jr. and Historic Illustrations from Many Sources.
MLA-referens (9:e uppl.)
Tomkins, Peter, och Hugh Harleston. Mysteries of the Mexican Pyramids / Peter Tompkins Dimensional Analysis on Original Drawings by Hugh Harleston, Jr. and Historic Illustrations from Many Sources.
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