What are we trying to preserve? Diversity, change, and ideology at the edge of the Cameroonian Grassfields . Jeff Good and Pierpaolo DiCarlo (2012) · http://www.acsu.buffalo.edu/~jcgood/DiCarloGood-LFIdeology.pdf

The languages of the Lower Fungom region of Cameroon: Grammatical overview . Good, Jeff and Lovegren, Jesse and Mve, Patrick and Nguanguep, Carine and Voll, Rebecca and Dicarlo, Pierpaolo (2011) · Africana Linguistica . http://www.acsu.buffalo.edu/~jcgood/goodetal-LowerFungom-Grammar.pdf

A rapid appraisal survey of western Beboid languages (Menchum Division, Northwest Province) ( pp. 40 ) . Hamm, Cameron, and Diller, Jason and Jordan-Diller, Kari and a Tiati, Ferdinand Assako (2001) · http://www-01.sil.org/silesr/2002/014/SILESR2002-014.pdf