Ortega Santacruz, T. E. Warm ups for business for the fourth course of the bilingual secretarial program of María Auxiliadora high school.
Chicago-viite (17. p.)Ortega Santacruz, Tania Elizabeth. Warm Ups for Business for the Fourth Course of the Bilingual Secretarial Program of María Auxiliadora High School.
MLA-viite (8. p.)Ortega Santacruz, Tania Elizabeth. Warm Ups for Business for the Fourth Course of the Bilingual Secretarial Program of María Auxiliadora High School.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.