Citazione Stile APA (7a Edizione)

Ortuno, M. J., & Uber, D. M. (1988). Intermediate-Level Foreign Language Courses for BBA Students.

Citazione stile Chigago Style (17a edizione)

Ortuno, Manuel J., e David M. Uber. Intermediate-Level Foreign Language Courses for BBA Students. 1988.

Citatione MLA (9a ed.)

Ortuno, Manuel J., e David M. Uber. Intermediate-Level Foreign Language Courses for BBA Students. 1988.