APA استشهاد

López Yap, A., Abdelnour Vásquez, A., Lomonte, B., & Porras Madrigal, O. (2001). Serum antibody response to polysaccharides in children with recurrent respiratory tract infections.

استشهاد بنمط شيكاغو

López Yap, Alberto, Arturo Abdelnour Vásquez, Bruno Lomonte, و Oscar Porras Madrigal. Serum Antibody Response to Polysaccharides in Children With Recurrent Respiratory Tract Infections. 2001.

MLA استشهاد

López Yap, Alberto, Arturo Abdelnour Vásquez, Bruno Lomonte, و Oscar Porras Madrigal. Serum Antibody Response to Polysaccharides in Children With Recurrent Respiratory Tract Infections. 2001.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.