Gaya APA
Challoner, Jack. (2015).
Rocks & Minerals .
London:
Anness Publishing.
Gaya Chicago
Challoner, Jack.
Rocks & Minerals.
London:
Anness Publishing,
2015.
Non-fiction.
Gaya MLA
Challoner, Jack.
Rocks & Minerals.
London:
Anness Publishing,
2015.
Non-fiction.
Gaya Turabian
Challoner, Jack.
Rocks & Minerals.
London:
Anness Publishing,
2015.
Non-fiction.