APA
Stempleski S., . (2018). 6 sills to expand your english stretch starter. Estados Unidos: New York: Oxford University Press.
Chicago
Stempleski Susan, . 2018. 6 sills to expand your english stretch starter. Estados Unidos: New York: Oxford University Press.
Harvard
Stempleski S., . (2018). 6 sills to expand your english stretch starter. Estados Unidos: New York: Oxford University Press.
MLA
Stempleski Susan, . 6 sills to expand your english stretch starter. Estados Unidos: New York: Oxford University Press. 2018.