APA Style

Marpaung, B., Davey, G., Rafferty, W.J, Santoso, I., Hayston, P.. (1989). Progress report for period April 2, to October 1, 1989: PT Barito Amin Sakti . Jakarta: PT Barito Amin Sakti.

Chicago Style

Marpaung, B., Davey, G., Rafferty, W.J, Santoso, I., Hayston, P.. Progress report for period April 2, to October 1, 1989: PT Barito Amin Sakti. Jakarta: PT Barito Amin Sakti, 1989. Text.

MLA Style

Marpaung, B., Davey, G., Rafferty, W.J, Santoso, I., Hayston, P.. Progress report for period April 2, to October 1, 1989: PT Barito Amin Sakti. Jakarta: PT Barito Amin Sakti, 1989. Text.

Turabian Style

Marpaung, B., Davey, G., Rafferty, W.J, Santoso, I., Hayston, P.. Progress report for period April 2, to October 1, 1989: PT Barito Amin Sakti. Jakarta: PT Barito Amin Sakti, 1989. Print.