APA Style
ruppenthal, karl m.. (1978).
CASE PROBLEMS IN AIR TRANSPORTATION .
Canada:
Centre for transportation studies.
Chicago Style
ruppenthal, karl m..
CASE PROBLEMS IN AIR TRANSPORTATION .
Canada:
Centre for transportation studies,
1978.
Text.
MLA Style
ruppenthal, karl m..
CASE PROBLEMS IN AIR TRANSPORTATION .
Canada:
Centre for transportation studies,
1978.
Text.
Turabian Style
ruppenthal, karl m..
CASE PROBLEMS IN AIR TRANSPORTATION .
Canada:
Centre for transportation studies,
1978.
Print.