Lua APA (7ú heag.)

GIYOTO & PURNOMO, B. (1999). Tourist transportation ticketing. MUP.

Lua i Stíl Chicago (17ú heag.)

GIYOTO agus Budi PURNOMO. Tourist Transportation Ticketing. Surakarta: MUP, 1999.

Lua MLA (9ú heag.)

GIYOTO agus Budi PURNOMO. Tourist Transportation Ticketing. MUP, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.