Cita APA (7th ed.)
Frank, M. Modern English Exercises for Non-Native Speakers: Part II : Sentences and Complex Structures. Prentice-Hall.
Cita Chicago (17th ed.)
Frank, Marcella. Modern English Exercises for Non-Native Speakers: Part II : Sentences and Complex Structures. Englewood Cliffs, EUA: Prentice-Hall.
Cita MLA (9th ed.)
Frank, Marcella. Modern English Exercises for Non-Native Speakers: Part II : Sentences and Complex Structures. Prentice-Hall.
Atenció: Aquestes cites poden no estar 100% correctes.