APA (7th ed.) Citation

(1991). Penerokaan angkasa. Agents' Digest.

Chicago Style (17th ed.) Citation

Penerokaan Angkasa. Selangor: Agents' Digest, 1991.

MLA (9th ed.) Citation

Penerokaan Angkasa. Agents' Digest, 1991.

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