HORSFIEL. A. (2009). EXCEL BASIC SKILL READING AND COMPREHENSION BOOK- 4 (1st.). SHETH PUBLISHING HOUSE.
Cita Chicago (17th ed.)HORSFIEL. A. EXCEL BASIC SKILL READING AND COMPREHENSION BOOK- 4. 1st. MUMBAI: SHETH PUBLISHING HOUSE, 2009.
Cita MLA (9th ed.)HORSFIEL. A. EXCEL BASIC SKILL READING AND COMPREHENSION BOOK- 4. 1st. SHETH PUBLISHING HOUSE, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.