American Psychological Association
Drain, Robert H ( 1980 ). Successful Conference and Convention Planning ( 00 ed. ). Sterling Publishers.
Modern Language Association
Drain, Robert H. Successful Conference and Convention Planning . Sterling Publishers. 1980
Chicago Citation
Drain, Robert H. Successful Conference and Convention Planning . 00 .New Delhi
: Sterling Publishers, 1980.
American Medical Association
Drain, Robert H. Successful Conference and Convention Planning . Sterling Publishers; 1980.