APA (7th ed.) Citation

Therik, R. Penemu Telephon. C.V Danau Singkarak.

Chicago Style (17th ed.) Citation

Therik, Ris. Penemu Telephon. C.V Danau Singkarak.

MLA (8th ed.) Citation

Therik, Ris. Penemu Telephon. C.V Danau Singkarak.

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