Adriana, M., & Felix, B. (1978). Past events - present life: Social studies (6. print.). Sree Rama Book Depot.
Citazione stile Chigago Style (17a edizione)Adriana, M., e Br Felix. Past Events - Present Life: Social Studies. 6. print. Secunderabad [u.a.]: Sree Rama Book Depot, 1978.
Citatione MLA (9a ed.)Adriana, M., e Br Felix. Past Events - Present Life: Social Studies. 6. print. Sree Rama Book Depot, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.