Gaya APA
Pentland, L, P. (1985).
Salesbook Spreadsheets : Sales Management, Cash Management, General Management .
New York:
McGraw Hill Book Company.
Gaya MLA
Pentland, Leslie, Parker.
"Salesbook Spreadsheets : Sales Management, Cash Management, General Management".
New York:
McGraw Hill Book Company,
1985.
Text.