Gaya APA

ICAO, . (1968). Circular 60 OPERATIONAL MEASURES FOR DEALING WITH THE PROBLEM OF TAKING OFF FROM SLUSH- OR WATER-COVERED RUNWAYS Second Edition . Canada: ICAO.

Gaya MLA

ICAO, . "Circular 60 OPERATIONAL MEASURES FOR DEALING WITH THE PROBLEM OF TAKING OFF FROM SLUSH- OR WATER-COVERED RUNWAYS Second Edition". Canada: ICAO, 1968. E-Book.