APA (7th ed.) Citation

Rajab, M. (2010). The Secrets of Friendship: 40 Pintu Sukses Membangun Persahabatan. Prestasi.

Chicago Style (17th ed.) Citation

Rajab, Muhammad. The Secrets of Friendship: 40 Pintu Sukses Membangun Persahabatan. Prestasi, 2010.

MLA (8th ed.) Citation

Rajab, Muhammad. The Secrets of Friendship: 40 Pintu Sukses Membangun Persahabatan. Prestasi, 2010.

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