APA aipamena

Burbano Garneff, M. D. Activities for business correspondence.

Chicago Style aipamena

Burbano Garneff, María Dolores. Activities for Business Correspondence.

MLA aipamena

Burbano Garneff, María Dolores. Activities for Business Correspondence.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.