APA-viite (7. p.)

Calle León, P., & Chuchuca Chérrez, P. Improving the english teaching-learning process in the seventh grade at Santa María de la Esperanza elementary school with the use of flashcards.

Chicago-viite (17. p.)

Calle León, Patricio, ja Pablo Chuchuca Chérrez. Improving the English Teaching-learning Process in the Seventh Grade at Santa María De La Esperanza Elementary School with the Use of Flashcards.

MLA-viite (8. p.)

Calle León, Patricio, ja Pablo Chuchuca Chérrez. Improving the English Teaching-learning Process in the Seventh Grade at Santa María De La Esperanza Elementary School with the Use of Flashcards.

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