Cita APA (7th ed.)

Asphalt Institute. (1990). Asphalt pavement maintenance (3a. ed.). Asphalt Institute.

Cita Chicago (17th ed.)

Asphalt Institute. Asphalt Pavement Maintenance. 3a. ed. Lexington: Asphalt Institute, 1990.

Cita MLA (9th ed.)

Asphalt Institute. Asphalt Pavement Maintenance. 3a. ed. Asphalt Institute, 1990.