एपीए उद्धरण

Alfaro Vargas, N., & Espinoza Herrera, R. (2021). Elderly people in Costa Rica: An approach to the perceptions about their Life Quality.

शिकागो स्टाइल उद्धरण

Alfaro Vargas, Noelia, और Rebeca Espinoza Herrera. Elderly People in Costa Rica: An Approach to the Perceptions About Their Life Quality. 2021.

एमएलए उद्धरण

Alfaro Vargas, Noelia, और Rebeca Espinoza Herrera. Elderly People in Costa Rica: An Approach to the Perceptions About Their Life Quality. 2021.