Najera, P. (1964). Science interests of grades five and six children of the University of the Philippines Elementary School. s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Najera, Paz. Science Interests of Grades Five and Six Children of the University of the Philippines Elementary School. [Quezon City: s.n.], 1964.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Najera, Paz. Science Interests of Grades Five and Six Children of the University of the Philippines Elementary School. s.n.], 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.