Gaya APA

Blockhus, E, L, P, A, F, S, D, W. (1975). A Teaching-Learning System for Business Education . Jakarta: PELITA MASA.

Gaya MLA

Blockhus, Estelle, L., Popham,, Adele, Frisbie, Schrag,, Dan, Wanda. "A Teaching-Learning System for Business Education". Jakarta: PELITA MASA, 1975. Text.