Enriquez, M. J. (1977). Salesmanship and personality development: Fundamentals of selling. Philippine Book.
Chicago Style (17th ed.) CitationEnriquez, M. Jacobo. Salesmanship and Personality Development: Fundamentals of Selling. Manila: Philippine Book, 1977.
MLA (9th ed.) CitationEnriquez, M. Jacobo. Salesmanship and Personality Development: Fundamentals of Selling. Philippine Book, 1977.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.