APA-ийн эшлэл(7 дахь хэвлэлт)

Krieger, M. (2008). Cameroon's social democratic front: Its history & prospects as an opposition political party (1990-2011). Langaa Research & Pub. CIG.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Krieger, Milton. Cameroon's Social Democratic Front: Its History & Prospects as an Opposition Political Party (1990-2011). Mankon, Bamenda: Langaa Research & Pub. CIG, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Krieger, Milton. Cameroon's Social Democratic Front: Its History & Prospects as an Opposition Political Party (1990-2011). Langaa Research & Pub. CIG, 2008.