توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Gecevska Valentina, Chiabert Paolo, Anisic Zoran, Lombardi Franco, Cus Franc, & OmniaScience. Product Lifecycle Management through Innovative and Competitive Business Environment.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Gecevska Valentina, Chiabert Paolo, Anisic Zoran, Lombardi Franco, Cus Franc, و OmniaScience. Product Lifecycle Management Through Innovative and Competitive Business Environment.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Gecevska Valentina, et al. Product Lifecycle Management Through Innovative and Competitive Business Environment.