Sisson, M. (2019). The primal blueprint (Fourth edition, revised and updated.). Primal Blueprint Publishing.
Cita Chicago Style (17a ed.)Sisson, Mark. The Primal Blueprint. Fourth edition, revised and updated. Oxnard, CA: Primal Blueprint Publishing, 2019.
Cita MLA (8a ed.)Sisson, Mark. The Primal Blueprint. Fourth edition, revised and updated. Primal Blueprint Publishing, 2019.
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