Gaya APA

Holoien, A, B, M, O., Siboro, L, L, P. (1986). Problem Solving and Structured Programming with Pascal . Montrey,California: Brooks/Cole.

Gaya MLA

Holoien, Ali, Behforooz,, Martin, O,., Siboro, Lina, Limato,, P.A.. "Problem Solving and Structured Programming with Pascal". Montrey,California: Brooks/Cole, 1986. Text.