Perrine, L., & Arp, T. R. (1998). Perrine's Story and structure (9th edition.). Harcourt Brace College Publishers.
Cita Chicago (17th ed.)Perrine, Laurence, i Thomas R. Arp. Perrine's Story and Structure. 9th edition. Fort Worth: Harcourt Brace College Publishers, 1998.
Cita MLA (9th ed.)Perrine, Laurence, i Thomas R. Arp. Perrine's Story and Structure. 9th edition. Harcourt Brace College Publishers, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.