APA

Alazard N., Tour B. d. l., Champlon D., Tour B. d. l. & Champlon D. (1991). Heavy crude oil and tar sands, a key factor for new oil market equilibrium. France: Institut Francais du Pétrole.

Chicago

Alazard N, Tour Boy de la, Champlon D, Tour Boy de la and Champlon D. 1991. Heavy crude oil and tar sands, a key factor for new oil market equilibrium. France: Institut Francais du Pétrole.

Harvard

Alazard N., Tour B. d. l., Champlon D., Tour B. d. l. and Champlon D. (1991). Heavy crude oil and tar sands, a key factor for new oil market equilibrium. France: Institut Francais du Pétrole.

MLA

Alazard N, Tour Boy de la, Champlon D, Tour Boy de la and Champlon D. Heavy crude oil and tar sands, a key factor for new oil market equilibrium. France: Institut Francais du Pétrole. 1991.