Παραπομπή σε μορφή APA (7η εκδ.)
Langa, P. V. (2014). Higher Education in Portuguese Speaking African Countries: Higher Education in Portuguese Speaking African Countries. Project Muse.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Langa, Patrício Vitorino. Higher Education in Portuguese Speaking African Countries: Higher Education in Portuguese Speaking African Countries. Baltimore, Maryland: Project Muse, 2014.
Παραπομπή σε μορφή MLA (9th εκδ.)
Langa, Patrício Vitorino. Higher Education in Portuguese Speaking African Countries: Higher Education in Portuguese Speaking African Countries. Project Muse, 2014.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.