Avery, R. (1996). ATPL training texts: Airspeed, altimetry, equi-time points/PNR's : a self study course. Avfacts ATPL Training.
Chicago Style (17th ed.) CitationAvery, Rob. ATPL Training Texts: Airspeed, Altimetry, Equi-time Points/PNR's : A Self Study Course. Bassendean, W.A.: Avfacts ATPL Training, 1996.
MLA (8th ed.) CitationAvery, Rob. ATPL Training Texts: Airspeed, Altimetry, Equi-time Points/PNR's : A Self Study Course. Avfacts ATPL Training, 1996.
Warning: These citations may not always be 100% accurate.