(2015). Fighting polio / Mary Colson.
Tohutoru Kātū Chicago (17th ed.)Fighting Polio / Mary Colson. 2015.
Tohutoro MLA (9th ed.)Fighting Polio / Mary Colson. 2015.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)