APA (7th ed.) Citation

Penny, R. J. (1990). Labiodental -f-, aspiration and -h- dropping in Spanish: The evolving phonemic value of the graphs f and h. [s.n.].

Chicago Style (17th ed.) Citation

Penny, Ralph J. Labiodental -f-, Aspiration and -h- Dropping in Spanish: The Evolving Phonemic Value of the Graphs F and H. [S.l.]: [s.n.], 1990.

MLA (9th ed.) Citation

Penny, Ralph J. Labiodental -f-, Aspiration and -h- Dropping in Spanish: The Evolving Phonemic Value of the Graphs F and H. [s.n.], 1990.