Cita APA (7a ed.)

Edkins, M., & Dunkley, R. (1998). Laytime and demurrage in the oil industry. LLP.

Cita Chicago Style (17a ed.)

Edkins, Malcolm, y Ray Dunkley. Laytime and Demurrage in the Oil Industry. London ; Hong Kong: LLP, 1998.

Cita MLA (9a ed.)

Edkins, Malcolm, y Ray Dunkley. Laytime and Demurrage in the Oil Industry. LLP, 1998.