Zemach, D. E. (2003). College writing: From paragraph to essay. Oxford: MacMillan.
Dyfyniad Arddull ChicagoZemach, Dorothy E. College Writing: From Paragraph to Essay. Oxford: MacMillan, 2003.
Dyfyniad MLAZemach, Dorothy E. College Writing: From Paragraph to Essay. Oxford: MacMillan, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.