एपीए उद्धरण

Holst Schumacher, I., Monge Rojas, R., & Barrantes Santamaría, M. (2007). Prevalence of mild serum vitamin B12 deficiency in rural and urban Costa Rican young adults.

शिकागो स्टाइल उद्धरण

Holst Schumacher, Ileana, Rafael Monge Rojas, और Mauro Barrantes Santamaría. Prevalence of Mild Serum Vitamin B12 Deficiency in Rural and Urban Costa Rican Young Adults. 2007.

एमएलए उद्धरण

Holst Schumacher, Ileana, Rafael Monge Rojas, और Mauro Barrantes Santamaría. Prevalence of Mild Serum Vitamin B12 Deficiency in Rural and Urban Costa Rican Young Adults. 2007.