APA Style

Hybels, Bill. (1988). Seven Wonders of the Spiritual World (-). Singapore: Word Publishing.

Chicago Style

Hybels, Bill. Seven Wonders of the Spiritual World. - Singapore: Word Publishing, 1988. Textbook.

MLA Style

Hybels, Bill. Seven Wonders of the Spiritual World. - Singapore: Word Publishing, 1988. Textbook.

Turabian Style

Hybels, Bill. Seven Wonders of the Spiritual World. - Singapore: Word Publishing, 1988. Textbook.