Jacobs, R. M. (2019). The truffle underground: A tale of mystery, mayhem, and manipulation in the shadowy market of the world's most expensive fungus (First edition.). Clarkson Potter.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jacobs, Ryan McMahon. The Truffle Underground: A Tale of Mystery, Mayhem, and Manipulation in the Shadowy Market of the World's Most Expensive Fungus. First edition. New York: Clarkson Potter, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jacobs, Ryan McMahon. The Truffle Underground: A Tale of Mystery, Mayhem, and Manipulation in the Shadowy Market of the World's Most Expensive Fungus. First edition. Clarkson Potter, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.