South African Ornithological Society, Witwatersrand Bird Club, & Southern African Ornithological Society. (1989). The Bokmakierie: A popular magazine for bird watchers. The Society.
Lua i Stíl Chicago (17ú heag.)South African Ornithological Society, Witwatersrand Bird Club, agus Southern African Ornithological Society. The Bokmakierie: A Popular Magazine for Bird Watchers. Cape Town: The Society, 1989.
Lua MLA (8ú heag.)South African Ornithological Society, et al. The Bokmakierie: A Popular Magazine for Bird Watchers. The Society, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.