Gitlin, M. (2018). Portuguese Explorers. Smartbook Media Inc. https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/558
Gitlin, Marty. Portuguese Explorers. Early Explorers of the World. New York: Smartbook Media Inc., 2018, https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/558. Accessed 28 Jun. 2025.
Gitlin, Marty. Portuguese Explorers. Smartbook Media Inc., 2018. Early Explorers of the World. Lightbox Nonfiction Subscription, https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/558.
Title: Portuguese Explorers
Series: Early Explorers of the World
Copyright: 2018
Author: Marty Gitlin
Subject: Social Studies
Interest Level: 5–8
Reading Level: 5
Dewey: 910.923691
BISAC: JNF025080
AR Quiz: 189768
Fountas & Pinnell: V
ATOS: 6.6
Lexile: 800L to 900L