Cita APA (7a ed.)

Hebdo, L. (2021). The world's biggest publishing groups. Ranking 2011. Livres Hebdo.

Cita Chicago Style (17a ed.)

Hebdo, Livres. The World's Biggest Publishing Groups. Ranking 2011. Livres Hebdo, 2021.

Cita MLA (8a ed.)

Hebdo, Livres. The World's Biggest Publishing Groups. Ranking 2011. Livres Hebdo, 2021.