APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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