Newspaper editor arrested while visiting former minister in prison. Reporters Without Borders. დაარქივებულია ორიგინალიდან — აგვისტო 12, 2011. ციტატა: „Reporters Without Borders firmly condemns newspaper editor Raphaël Nkamtcheun’s detention for the past week for receiving allegedly confidential government documents from former finance minister Polycarpe Abah Abah when he visited Abah in Yaoundé prison on 17 February. Abah has been jailed since 2008 on an embezzlement charge.“ ციტირების თარიღი: August 20, 2011.
"Cameroon". Country Reports on Human Rights Practices, 6 March 2007. Bureau of Democracy, Human Rights, and Labor, U. S. Department of State. Retrieved 6 April 2007.
Newspaper editor arrested while visiting former minister in prison. Reporters Without Borders. დაარქივებულია ორიგინალიდან — აგვისტო 12, 2011. ციტატა: „Reporters Without Borders firmly condemns newspaper editor Raphaël Nkamtcheun’s detention for the past week for receiving allegedly confidential government documents from former finance minister Polycarpe Abah Abah when he visited Abah in Yaoundé prison on 17 February. Abah has been jailed since 2008 on an embezzlement charge.“ ციტირების თარიღი: August 20, 2011.