Cita APA (7th ed.)
Adrian Wallwork. English for Academic Research: Vocabulary Exercises. Springer.
Cita Chicago (17th ed.)
Adrian Wallwork. English for Academic Research: Vocabulary Exercises. Nueva York, EUA: Springer.
Cita MLA (9th ed.)
Adrian Wallwork. English for Academic Research: Vocabulary Exercises. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.