Villa, J. G., Francia, H. S., & Cowen, J. E. (1999). The parlement of giraffes: Poems for children-eight to eighty. Anvil.
Dyfyniad Arddull ChicagoVilla, Jose Garcia, Hilario S. Francia, and John E. Cowen. The Parlement of Giraffes: Poems for Children-eight to Eighty. Pasig City: Anvil, 1999.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.