Summerfield, G. (1970). Junior voices: An anthology of poetry and pictures (Teacher's Handbook.). Penguin Education.
Chicago-viite (17. p.)Summerfield, Goeffrey. Junior Voices: An Anthology of Poetry and Pictures. Teacher's Handbook. Harmondsworth: Penguin Education, 1970.
MLA-viite (9. p.)Summerfield, Goeffrey. Junior Voices: An Anthology of Poetry and Pictures. Teacher's Handbook. Penguin Education, 1970.
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