CONTOH PENULISAN SUMBER RUJUKAN

1. Abd. Rahim Md. Nor, 2004. Geografi Tingkatan 3. Shah Alam: Cerdik Publications Sdn. Bhd.

2. Berita Harian, 18 Mac 2016, halaman 8.

3. Encik Ho Ka Lok, 48 tahun, No. 69, Jalan 21/37, 46300 Petaling Jaya, Selangor.

4. http://eps.mbpj.gov.my/BeritaPJ2013/BeritaPJMei2013.pdf

5. http://prpm.dbp.gov.my/

6. http://www.businessdictionary.com/definition/economic-activity.html

7. http://permaculturenews.org/2014/07/25/vertical-farming-singapores-solution-feed-local-urban-population/

8. http://bicyclecoffeeco.com/

9. https://coffee-bike.com/en/

10.