Cita APA (7th ed.)

Solórzano, H. S., & Leach Frazier, L. (1995). Introductory topics: Intermediate listening comprehension. Longman.

Cita Chicago (17th ed.)

Solórzano, Helen Sophia, i Laurie Leach Frazier. Introductory Topics: Intermediate Listening Comprehension. Nueva York: Longman, 1995.

Cita MLA (9th ed.)

Solórzano, Helen Sophia, i Laurie Leach Frazier. Introductory Topics: Intermediate Listening Comprehension. Longman, 1995.