Gaya APA

Rishbeth, H., Garriott, O, K. (1969). Introduction To Ionospheric Phisics (1). YOGYAKARTA: .

Gaya MLA

Rishbeth, Henry., Garriott, Owen, K.. "Introduction To Ionospheric Phisics". 1 YOGYAKARTA: , 1969. Text.