Villamor, E. P. (1969). The written vocabulary in English of the grades V and VI pupils of Balara Elementary School as determined by their formal themes. s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Villamor, Esperanza P. The Written Vocabulary in English of the Grades V and VI Pupils of Balara Elementary School as Determined by Their Formal Themes. [Quezon City: s.n.], 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Villamor, Esperanza P. The Written Vocabulary in English of the Grades V and VI Pupils of Balara Elementary School as Determined by Their Formal Themes. s.n.], 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.