APA

Leese W., Jones P., Institut of Petroleum, World Petroleum Congress (11th. : 1983 : London), Jones P. & Institut of Petroleum.Epidemiological suerveys in the oil industry. : .

Chicago

Leese W.L.B, Jones P, Institut of Petroleum, World Petroleum Congress (11th. : 1983 : London), Jones P and Institut of Petroleum.Epidemiological suerveys in the oil industry. : .

Harvard

Leese W., Jones P., Institut of Petroleum, World Petroleum Congress (11th. : 1983 : London), Jones P. and Institut of Petroleum.Epidemiological suerveys in the oil industry. : .

MLA

Leese W.L.B, Jones P, Institut of Petroleum, World Petroleum Congress (11th. : 1983 : London), Jones P and Institut of Petroleum.: . .