Graves, K., & Rein, D. p. East west. workbook 1A.
Cita Chicago (17th ed.)Graves, Kathleen, i David páginas Rein. East West. Workbook 1A.
Cita MLA (8th ed.)Graves, Kathleen, i David páginas Rein. East West. Workbook 1A.
Atenció: Aquestes cites poden no estar 100% correctes.