توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Gonzales, L. A. (2003). Towards food security and rice self sufficiency: A major development challenge for the Philippines in the new millennium. The National Academy of Science and Technology Philipines.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Gonzales, Leonardo A. Towards Food Security and Rice Self Sufficiency: A Major Development Challenge for the Philippines in the New Millennium. Manila: The National Academy of Science and Technology Philipines, 2003.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Gonzales, Leonardo A. Towards Food Security and Rice Self Sufficiency: A Major Development Challenge for the Philippines in the New Millennium. The National Academy of Science and Technology Philipines, 2003.