APA Citation

Douglas, R. G. Pembimbing kearah alam filsafat. Appleton Century Crofts.

Chicago Style Citation

Douglas, R. Gordon. Pembimbing Kearah Alam Filsafat. Appleton Century Crofts.

MLA Citation

Douglas, R. Gordon. Pembimbing Kearah Alam Filsafat. Appleton Century Crofts.

Warning: These citations may not always be 100% accurate.