Citazione Stile APA (7a Edizione)

(2005). PPA at 31: Gears for safer and more efficient ports. Malaya.

Citazione stile Chigago Style (17a edizione)

"PPA at 31: Gears for Safer and More Efficient Ports." Malaya 2005.

Citatione MLA (9a ed.)

"PPA at 31: Gears for Safer and More Efficient Ports." Malaya, 2005.