Gaya APA
Abeyratne, R.
(2012).
Air Navigation Law
(
1st edition)
.
LONDON:
Springer-Verlag Berlin Heidelberg.
Gaya MLA
Abeyratne, Ruwantissa.
"Air Navigation Law".
1st edition
LONDON:
Springer-Verlag Berlin Heidelberg,
2012.
Text.