APA-ийн эшлэл(7 дахь хэвлэлт)

Langa, P. V. (2014). Higher Education in Portuguese Speaking African Countries: Higher Education in Portuguese Speaking African Countries. Project Muse.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Langa, Patrício Vitorino. Higher Education in Portuguese Speaking African Countries: Higher Education in Portuguese Speaking African Countries. Baltimore, Maryland: Project Muse, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Langa, Patrício Vitorino. Higher Education in Portuguese Speaking African Countries: Higher Education in Portuguese Speaking African Countries. Project Muse, 2014.