Robles, F. C. (1985). Developing English proficiency in college, book 2: Instructional material for English 2 Intermediate Communication Skills. Goodwill Trading Co.
Chicago-Zitierstil (17. Ausg.)Robles, Felicidad C. Developing English Proficiency in College, Book 2: Instructional Material for English 2 Intermediate Communication Skills. Manila: Goodwill Trading Co, 1985.
MLA-Zitierstil (9. Ausg.)Robles, Felicidad C. Developing English Proficiency in College, Book 2: Instructional Material for English 2 Intermediate Communication Skills. Goodwill Trading Co, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.