Gotthelf, A., & Salmieri, G. (2016). A companion to Ayn Rand. Wiley Blackwell.
Chicago-čujuhus (17. p.)Gotthelf, Allan, juo Gregory Salmieri. A Companion to Ayn Rand. West Sussex, England: Wiley Blackwell, 2016.
MLA-čujuhus (9. p.)Gotthelf, Allan, juo Gregory Salmieri. A Companion to Ayn Rand. Wiley Blackwell, 2016.
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