Citazione Stile APA (7a Edizione)

Calupitan, E. A. (1990). Technical communication for business and industry. GIC Enterprises.

Citazione stile Chigago Style (17a edizione)

Calupitan, Eleanore A. Technical Communication for Business and Industry. Manila: GIC Enterprises, 1990.

Citatione MLA (9a ed.)

Calupitan, Eleanore A. Technical Communication for Business and Industry. GIC Enterprises, 1990.