Gaya APA

survey, U, D, O, T, I, G. (1979). Project Report Indonesian Investigation (IR) Ind-43 : The Indonesian Coal Resource Program and Coal Laboratory Situation . : prepared under the auspices of the agency of international development u.s depar.

Gaya MLA

survey, U.S., Depart, Of, The, Interior, Geological. "Project Report Indonesian Investigation (IR) Ind-43 : The Indonesian Coal Resource Program and Coal Laboratory Situation". : prepared under the auspices of the agency of international development u.s depar, 1979. Text.