Παραπομπή σε μορφή APA (7η εκδ.)

(1980). 1979 general d-cracking survey of PCCP in districts 1, 2 and 4 and Bates, Cedar, St. Clair, and Vernon counties in district 7 / prepared by Missouri Highway and Transportation Department, Division of Materials and Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

1979 General D-cracking Survey of PCCP in Districts 1, 2 and 4 and Bates, Cedar, St. Clair, and Vernon Counties in District 7 / Prepared by Missouri Highway and Transportation Department, Division of Materials and Research. 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

1979 General D-cracking Survey of PCCP in Districts 1, 2 and 4 and Bates, Cedar, St. Clair, and Vernon Counties in District 7 / Prepared by Missouri Highway and Transportation Department, Division of Materials and Research. 1980.