Gaya APA

, ., Thomas, I, N. (1988). Understanding writing ways of observing, learning, and teaching k- ì 8 . USA: USA: Heinemann Educational Books; 1988.

Gaya MLA

, ., Thomas, I., Newkirk,. "Understanding writing ways of observing, learning, and teaching k- ì 8". USA: USA: Heinemann Educational Books; 1988, 1988. Text.