توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Xenidis, C., & Xenidis, L. (1994). Käthe Kruse I.D. Guide: How to Recognize the Early Kathe Kruse Models 1910-1962 with a key to their rarities ; plus ; extra-value features you might not notice. Theriault.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Xenidis, Christa, و Lotte Xenidis. Käthe Kruse I.D. Guide: How to Recognize the Early Kathe Kruse Models 1910-1962 with a Key to Their Rarities ; Plus ; Extra-value Features You Might Not Notice. Annapolis, Maryland: Theriault, 1994.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Xenidis, Christa, و Lotte Xenidis. Käthe Kruse I.D. Guide: How to Recognize the Early Kathe Kruse Models 1910-1962 with a Key to Their Rarities ; Plus ; Extra-value Features You Might Not Notice. Theriault, 1994.