Gaya APA

THAI, V, V. et al (2014). Defining service quality in tramp shipping: conceptual model and empirical evidence (Volume 30 Number 1). Amsterdam: Elsevier B.V.

Gaya MLA

THAI, Vinh, V.. et al. "Defining service quality in tramp shipping: conceptual model and empirical evidence". Volume 30 Number 1 Amsterdam: Elsevier B.V, 2014. Article.