APA (7th ed.) Citation

Robertson, K. (1985). Dua Penyelidik Cilik. PT. BPK Guung Mulia.

Chicago Style (17th ed.) Citation

Robertson, Keith. Dua Penyelidik Cilik. PT. BPK Guung Mulia, 1985.

MLA (8th ed.) Citation

Robertson, Keith. Dua Penyelidik Cilik. PT. BPK Guung Mulia, 1985.

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