Citazione Stile APA (7a Edizione)

Sien, C. L., Onyirimba, L., & Akpan, G. (1999). Liberalization of maritime transport services: Directions and options for ASIA. Ocean Law and Policy Series.

Citazione stile Chigago Style (17a edizione)

Sien, Chia Lin, Lloyd Onyirimba, e George Akpan. "Liberalization of Maritime Transport Services: Directions and Options for ASIA." Ocean Law and Policy Series 1999.

Citatione MLA (9a ed.)

Sien, Chia Lin, et al. "Liberalization of Maritime Transport Services: Directions and Options for ASIA." Ocean Law and Policy Series, 1999.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.