Gaya APA

Bolsius, K, M, A, E. (1975). Reading with understanding int roductory . Jl. Cempaka 9, Deresan, Yogyak: Anggota IKAPI.

Gaya MLA

Bolsius, K., Methold, And, E.. "Reading with understanding int roductory". Jl. Cempaka 9, Deresan, Yogyak: Anggota IKAPI, 1975. .