(2002). Improve your business basics: Philippine edition. Module 1, Marketing. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Improve Your Business Basics: Philippine Edition. Module 1, Marketing. International Labour Organization, 2002.
Citatione MLA (9a ed.)Improve Your Business Basics: Philippine Edition. Module 1, Marketing. International Labour Organization, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.