Gil Calderón, M. (2015). Elderly People from the Library Science: A Sistematic Review.
Παραπομπή Chicago StyleGil Calderón, Marcela. Elderly People From the Library Science: A Sistematic Review. 2015.
Παραπομπή MLAGil Calderón, Marcela. Elderly People From the Library Science: A Sistematic Review. 2015.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.