Gaya APA
Johns, C, W, E. (1956).
Now to the Starts- a story of Interplanetary Exploration .
London:
Hodder and Stoughton.
Gaya MLA
Johns, Captain, W., E..
"Now to the Starts- a story of Interplanetary Exploration".
London:
Hodder and Stoughton,
1956.
teks.