Summerfield, G. (1970). Junior voices: An anthology of poetry and pictures (Teacher's Handbook.). Penguin Education.
Citazione stile Chigago Style (17a edizione)Summerfield, Goeffrey. Junior Voices: An Anthology of Poetry and Pictures. Teacher's Handbook. Harmondsworth: Penguin Education, 1970.
Citatione MLA (9a ed.)Summerfield, Goeffrey. Junior Voices: An Anthology of Poetry and Pictures. Teacher's Handbook. Penguin Education, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.