توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Terrence Higgins Trust. (2009). The bottom line: [all you'll ever need to know about your arse - or his ; learn how to keep it healthy, clean and looking good / Terrence Higgins Trust (4. Auflage.). Terrence Higgins Trust.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Terrence Higgins Trust. The Bottom Line: [all You'll Ever Need to Know About Your Arse - or His ; Learn How to Keep It Healthy, Clean and Looking Good / Terrence Higgins Trust. 4. Auflage. London: Terrence Higgins Trust, 2009.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Terrence Higgins Trust. The Bottom Line: [all You'll Ever Need to Know About Your Arse - or His ; Learn How to Keep It Healthy, Clean and Looking Good / Terrence Higgins Trust. 4. Auflage. Terrence Higgins Trust, 2009.