Gaya APA

GEOGRAPHIC, N. (2008). NATIONAL GEOGRAPHIC : Africa's Ragged Edge. VOL. 213. NO. 4. APRIL 2008 (VOL. 213. NO. 4. APRIL 2008). WASHINGTON. D.C.: NATIONAL GEOGRAPHIC.

Gaya MLA

GEOGRAPHIC, NATIONAL. "NATIONAL GEOGRAPHIC : Africa's Ragged Edge. VOL. 213. NO. 4. APRIL 2008". VOL. 213. NO. 4. APRIL 2008 WASHINGTON. D.C.: NATIONAL GEOGRAPHIC, 2008. Koleksi Khusus.