APA Citation

Retno Widhiastuti, & Andini Saputri. (2010). Keanekaragaman tumbuhan langka kantung semar (Nepenthes spp) di taman wisata alam Sicikeh-cikeh Sumatera Utara. Medan: USU Press.

Chicago Style Citation

Retno Widhiastuti, and Andini Saputri. Keanekaragaman Tumbuhan Langka Kantung Semar (Nepenthes Spp) Di Taman Wisata Alam Sicikeh-cikeh Sumatera Utara. Medan: USU Press, 2010.

MLA Citation

Retno Widhiastuti, and Andini Saputri. Keanekaragaman Tumbuhan Langka Kantung Semar (Nepenthes Spp) Di Taman Wisata Alam Sicikeh-cikeh Sumatera Utara. Medan: USU Press, 2010.

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