Gaya APA
Cortina, R. Diez de la. (1976).
Conversational Spanish In 20 Lessons .
Westport:
Cortina Learning International, Inc..
Gaya Chicago
Cortina, R. Diez de la.
Conversational Spanish In 20 Lessons.
Westport:
Cortina Learning International, Inc.,
1976.
Text.
Gaya MLA
Cortina, R. Diez de la.
Conversational Spanish In 20 Lessons.
Westport:
Cortina Learning International, Inc.,
1976.
Text.
Gaya Turabian
Cortina, R. Diez de la.
Conversational Spanish In 20 Lessons.
Westport:
Cortina Learning International, Inc.,
1976.
Print.