Palmer, H. E., & Blandford, F. G. (1939). A grammar of spoken english: On a strictly phonetic basis (2nd ed. rev.). W. Heffer & Sons.
Cita Chicago Style (17a ed.)Palmer, Harold E., y Francis George Blandford. A Grammar of Spoken English: On a Strictly Phonetic Basis. 2nd ed. rev. Cambridge: W. Heffer & Sons, 1939.
Cita MLA (8a ed.)Palmer, Harold E., y Francis George Blandford. A Grammar of Spoken English: On a Strictly Phonetic Basis. 2nd ed. rev. W. Heffer & Sons, 1939.
Precaución: Estas citas no son 100% exactas.