Citazione Stile APA (7a Edizione)

Ornos, P. S. (2004). Communication skills in the discipline: College reading and writing. Mutya Publishing House.

Citazione stile Chigago Style (17a edizione)

Ornos, Petra S. Communication Skills in the Discipline: College Reading and Writing. Valenzuela City: Mutya Publishing House, 2004.

Citatione MLA (9a ed.)

Ornos, Petra S. Communication Skills in the Discipline: College Reading and Writing. Mutya Publishing House, 2004.