Petersen, K. (2014). John Mullan: The tumultuous life of a western road builder. Washington State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPetersen, Keith. John Mullan: The Tumultuous Life of a Western Road Builder. Pullman, Washington: Washington State University Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPetersen, Keith. John Mullan: The Tumultuous Life of a Western Road Builder. Washington State University Press, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.