Gaspar, M. B. (1988). Physical fitness program for youth development training III students of the Camarines Sur National High School, Naga City, school year 1987-1988.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gaspar, Marcelino Baltazar. Physical Fitness Program for Youth Development Training III Students of the Camarines Sur National High School, Naga City, School Year 1987-1988. 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gaspar, Marcelino Baltazar. Physical Fitness Program for Youth Development Training III Students of the Camarines Sur National High School, Naga City, School Year 1987-1988. 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.