Παραπομπή APA

Skelton, J. E. (1971). An introduction to the basic language. Rinehart and winston.

Παραπομπή Chicago Style

Skelton, John E. An Introduction to the Basic Language. Holt: Rinehart and winston, 1971.

Παραπομπή MLA

Skelton, John E. An Introduction to the Basic Language. Rinehart and winston, 1971.