(1970). Planning for the Future: The Role of Libraries and Librarians (Third Week-end Conference, National Central Library, Dar es Salaam, Saturday 29th November - Sunday 30th November 1969).
Citazione stile Chigago Style (17a edizione)Planning for the Future: The Role of Libraries and Librarians (Third Week-end Conference, National Central Library, Dar Es Salaam, Saturday 29th November - Sunday 30th November 1969). 1970.
Citatione MLA (9a ed.)Planning for the Future: The Role of Libraries and Librarians (Third Week-end Conference, National Central Library, Dar Es Salaam, Saturday 29th November - Sunday 30th November 1969). 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.